{
  "schema": "canli.company-reference.v1",
  "cik": "0000749660",
  "name": "iCAD INC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000749660.json",
  "source_sha256": "b8f9722b80584ad9eba74c9f6f5c42150de19a321a89efb31c33242afecfa6ce",
  "fetched_at": "2026-09-21T17:16:53.733Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 37540000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 41418000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 51705000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 62191000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 55582000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 41748000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 31737000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 32131000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 38651000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 48640000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 93770000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 58916000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 59993000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 51761000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 95594000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 8856000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 8001000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 16803000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 15674000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 25057000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 36677000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 24841000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 17855000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13613000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15894000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 30991000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 37539000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 32328000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 15706000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 22384000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 28684000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 33417000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 34902000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 46517000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 30525000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 5071000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6896000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 14276000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 25038000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 32746000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 62779000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 21377000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 27665000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 36055000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 73210000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 66309000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 66293000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 17206000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21670000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 21313000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 34282000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 27186000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15313000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12185000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9387000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8585000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15280000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 32220000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 11880000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 13948000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 4576000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 16269000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 16248000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 13116000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -5616000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -4847000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -13656000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -11245000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -17610000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -13551000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -9017000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14256000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -10099000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -32447000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1009000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -7608000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -9374000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -37587000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6224000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -1968000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -3945000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -4964000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -12790000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -9408000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -6985000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -7107000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -3867000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -7337000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -5478000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -1433000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4204000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -10142000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 207000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3442000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 168000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 922000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 524000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 563000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 461000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 296000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 301000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 390000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 337000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 932000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1214000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 539000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 665000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 263000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 322000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 173000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 31340000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 25621000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 28102000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5600000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 19608000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 17318000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 19802000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 33638000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 29698000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 31340000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 25080000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 27517000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2046000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 355000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 17091000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 19332000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 10541000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 6981000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 5684000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -862000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 72000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 14311000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1275000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -87000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -519000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3275000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -534000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -587000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -474000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -306000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -316000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2455000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -355000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -707000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -735000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -276000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -99000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -311000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": -277299000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -271683000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -266836000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -253180000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -241935000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -224325000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -210774000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -201865000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -187609000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -177510000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -145063000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -144054000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -136446000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -127072000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -89485000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 26354000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 25613000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 25202000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 24778000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 22140000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 18378000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 16685000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16343000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 15932000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 15686000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 14096000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10842000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10796000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10910000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9166000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 45512000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 26354000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 25613000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 25202000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 24778000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 22140000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 18378000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 16685000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16343000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 15932000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 15686000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 14096000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10842000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10796000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10910000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9166000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 45512000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.21,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.19,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.54,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.45,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.8,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.74,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.54,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.87,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.63,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -2.07,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.07,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.7,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.87,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -3.45,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.68,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.04,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.54,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.45,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.8,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.74,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.54,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.87,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.63,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -2.07,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.07,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.7,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.87,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -3.45,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.68,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.04,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 98000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 20000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -116000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 38000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 43000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 42000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -18000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 76000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 16000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 153000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 126000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 43000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 76000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 30000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -44000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1716000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1823000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 704000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 882000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 744000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 551000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 552000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 576000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1385000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2307000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 4255000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1671000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1483000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1884000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2774000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 883000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1316000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1686000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2783000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2844000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1169000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1505000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3656000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2307000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2135000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1318000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1202000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 996000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 904000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1516000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1994000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -6268000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -7689000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -10198000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -10732000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -9388000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -6397000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -8130000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14168000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -9970000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -30079000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 815000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -1776000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -5412000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -37116000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6542000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -2122000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 26427000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 29678000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 38241000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 50306000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 42302000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 29196000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 21220000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 21209000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 19933000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 27767000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 44616000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 22043000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 21533000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 11109000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 25011000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 16000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 141000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 476000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 784000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 504000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 124000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 63000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 650000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2640000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3277000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3415000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 422000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 9000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 7561000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6748000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 13452000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 14962000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 16751000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 18836000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 13245000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 12070000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 12855000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 14279000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 22049000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 22452000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 14639000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 12484000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 13308000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1111000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 712000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1446000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2779000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2869000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1990000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1154000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1362000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1577000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1593000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2151000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2000000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1940000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1198000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2500000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 8362000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 8362000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 8362000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8362000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 8362000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 8362000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8362000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8362000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14097000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 14097000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 27263000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 21109000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 21109000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 21109000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 45969000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 7207000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6392000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 5769000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8891000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 10027000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9819000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6403000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8599000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 5189000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 7488000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9642000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 7623000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4980000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 4003000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3389000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 22903000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 22474000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 27017000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 34975000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 30742000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 30624000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 27560000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32344000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 28488000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 59429000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 30412000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 24861000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 25443000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 57143000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 26235000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 23931000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 756000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 917000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2054000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4171000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3144000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2611000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1587000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2123000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3727000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4315000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2214000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1891000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2119000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2040000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3489000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 16635000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 14785000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 16819000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 24243000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 21354000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 24227000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19430000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 18176000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 18518000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 29350000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 31227000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 23085000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 20031000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20027000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 19693000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 21809000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 6609000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5161000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5493000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 9194000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8114000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9271000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 9445000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 9327000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 9518000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 9163000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8159000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7043000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7031000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10791000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6596000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 7217000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 26354199,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "shares"
        },
        {
          "end": "2023-12-31",
          "val": 26354199,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "shares"
        },
        {
          "end": "2022-12-31",
          "val": 25260576,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "shares"
        },
        {
          "end": "2021-12-31",
          "val": 25140255,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "shares"
        },
        {
          "end": "2020-12-31",
          "val": 23508575,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 19360320,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 16880679,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 16525681,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 16074832,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 15737518,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 15546346,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 10898288,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 10808102,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 10765071,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 54315871,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 17206000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21670000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 21313000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 34282000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 27186000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15313000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12185000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9387000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8585000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15280000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 177000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 461000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 670000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1059000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1758000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2406000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 907000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 362000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 461000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3385000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1155000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1801000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2583000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 3212000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2868000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1554000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 7988000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 7522000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 7061000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6766000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6465000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7923000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 7782000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9116000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 5936000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 5110000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5068000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5626000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1496000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1045000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 850000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 7106000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 6778000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6510000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6214000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5889000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6538000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5475000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 4861000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4265000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 3627000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3184000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2852000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IntangibleAssetsNetExcludingGoodwill",
      "taxonomy": "us-gaap",
      "label": "Net intangible assets excluding goodwill",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 101000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 148000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 264000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 683000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 889000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1183000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1550000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1931000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3183000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4274000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 17504000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 13674000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 15230000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 17064000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 21165000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 12390000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 11003000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 12536000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12001000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 9965000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10346000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 17333000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 18566000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 44899000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 35202000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 36977000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 38768000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 67809000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 17000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 0,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 27000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 119000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 83000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 29000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 51000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 68000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 68000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 141000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccruedLiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Accrued current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current obligations accrued for goods and services received but not yet invoiced or paid. This is one component of current liabilities, not all short-term obligations.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 2358000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2448000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2541000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 5642000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 7039000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6590000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5060000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5150000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5521000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1258000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 699000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1571000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2962000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1945000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1453000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1045000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1100000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1128000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 684000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 540000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 649000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 486000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ContractWithCustomerLiabilityCurrent",
      "taxonomy": "us-gaap",
      "label": "Current contract liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Consideration received before performance obligations are satisfied, often called deferred revenue. It is an obligation to deliver, not earned revenue or cash available.",
      "observations": [
        {
          "end": "2019-12-31",
          "val": 5604000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5209000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5910000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -5518000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -6990000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -10034000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -11244000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -17572000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -13508000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -8975000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14274000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -10023000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -32431000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -856000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -7482000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -9331000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -37511000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -11245000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -17610000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -13551000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -9017000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14256000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -10099000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7629000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 9324000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10517000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 10406000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9117000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7443000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 9117000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 7877000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7675000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 8788000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8044000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6365000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6359000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 9999000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9889000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 7354000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 577000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 239000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 310000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 327000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 268000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 297000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 325000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 995000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1322000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1580000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1256000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 706000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 891000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1077000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 476000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 751000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 47000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 116000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 128000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 230000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 309000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 938000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 931000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 931000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1167000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -49000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -14000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -39000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1671000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5706000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3919000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -395000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 348000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 110000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 750000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 699000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 164000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -512000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -8184000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -7111000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -845000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -106000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -53000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -2352000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1671000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5706000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 98000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 20000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -116000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 37000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 42000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 54000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -26000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 69000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 95000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 74000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 126000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 43000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 76000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 30000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -116000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -12000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -79000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 79000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 12000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 16000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 9000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 172000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 272000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 643000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 294000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 79000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 70000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1966000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 23229000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 18285000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9353000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 28214000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 146000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 60000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 23000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 261000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 257000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 242000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 919000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 776000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -419000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 739000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -969000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 302000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3478000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -2003000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3474000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -2201000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -1772000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 840000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2678000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 976000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 614000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1914000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -878000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -161000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1489000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1218000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1027000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 533000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1024000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -536000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -554000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -482000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2042000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 323000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -228000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 79000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1449000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -278000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -354000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsPayable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts payable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in payables during the period. A positive value under this concept means payables grew and added to operating cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 399000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -811000,
          "accn": "0001437749-25-010259",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -806000,
          "accn": "0001437749-24-010091",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-29",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -90000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 878000,
          "accn": "0001437749-23-008815",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 836000,
          "accn": "0001193125-22-086983",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -209000,
          "accn": "0001193125-21-081487",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-15",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -215000,
          "accn": "0001193125-20-070296",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-11",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -16000,
          "accn": "0001193125-19-092896",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -557000,
          "accn": "0001193125-18-103266",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 150000,
          "accn": "0001193125-17-095536",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 60000,
          "accn": "0001193125-16-501542",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 815000,
          "accn": "0001193125-15-089682",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1375000,
          "accn": "0001193125-14-078096",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-03",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 125000,
          "accn": "0001193125-13-079600",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -824000,
          "accn": "0001193125-12-104800",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-09",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/b8f9722b80584ad9eba74c9f6f5c42150de19a321a89efb31c33242afecfa6ce.json.gz"
}
