{
  "schema": "canli.company-reference.v1",
  "cik": "0001409947",
  "name": "Ridgewood Energy W Fund, LLC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001409947.json",
  "source_sha256": "ee3b7fe0cbf22dcec05a99fdc1a0c5505b9a030429285cba0f6cdf5e00513865",
  "fetched_at": "2026-09-21T17:18:05.965Z",
  "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": "2025-12-31",
          "val": 6486000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6875000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 7602000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 10407000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 13396000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 18390000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 22408000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 27712000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 25152000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 27848000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 24637000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 19998000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 21014000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 21230000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 24565000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 29326000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-12-31",
          "val": 2016000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1898000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1268000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1268000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 922000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5184000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6454000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 9137000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 11648000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13286000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 8790000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2962000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 3082000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1719000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1946000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1512000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-12-31",
          "val": 4470000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 4977000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6334000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 9139000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 12474000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 13206000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15954000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 18575000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 13504000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14562000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15847000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 17036000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 17932000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 19511000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 22619000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 27814000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 31877000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009Q4I",
          "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": "2025-12-31",
          "val": 1986000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1416000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1132000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 973000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1495000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2159000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2776000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4194000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2056000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2794000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2191000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3462000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 8521000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 9220000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5635000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4237000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 3671000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009Q4I",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 5001000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 862000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1696000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2868000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 6409000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -1058000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1285000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -6000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 7149000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5269000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10777000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 12865000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3260000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1592000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2884000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4340000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8744000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3038000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1568000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6571000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 9253000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4204000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 134000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6071000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 8446000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 14496000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20582000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6653000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 2579000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3887000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5719000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10280000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6303000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4066000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9412000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 12134000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8051000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -689000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -2495000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -4151000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -8336000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -4058000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1893000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -7852000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -4132000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -943000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3755000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -8045000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -6848000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -13965000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -18060000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -7323000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -333000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -105000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -30000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -930000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 356000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -292000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -137000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -2983000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -3999000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -3286000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -3085000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -2297000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3054000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1124000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1236000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 43000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 994000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1256000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4991000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1008000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1443000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3253000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4637000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -116000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -919000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -13000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 7134000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5252000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10884000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 13126000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3231000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-12-31",
          "val": 2194000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1788000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1601000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1892000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2381000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 4870000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3988000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5244000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 4926000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3537000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2193000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3908000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 9850000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 11055000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 12934000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 11816000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-12-31",
          "val": 243000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 134000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 156000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 402000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 320000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3273000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2501000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3008000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5852000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3163000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 710000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1512000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1669000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 788000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 952000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 607000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-12-31",
          "val": 175000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 30000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 76000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 43000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 49000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 36000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 574000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1286000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1072000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 787000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 263000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1387000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1368000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 715000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 918000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 481000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-12-31",
          "val": 137000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 248000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 381000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 650000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 587000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 393000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1120000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 874000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1175000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 606000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 320000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 813000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1640000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2045000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2434000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 2536000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2893000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4463000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5289000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 5295000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5509000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6159000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7770000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8167000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3644000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2916000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3307000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5025000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6310000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10815000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9493000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "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": "2025-12-31",
          "val": 1986000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1416000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1132000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 973000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1495000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2021Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 2500000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3300000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5700000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8500000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 9400000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5700000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "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": "2015-12-31",
          "val": 279000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 418000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 558000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 697000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "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": "2025-12-31",
          "val": 68000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 61000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 49000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 163000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 68000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 51000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 48000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 46000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 46000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 623000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 341000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 35000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 40000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 40000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 34000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 126000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 182000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1138000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1346000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5001000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 201000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 180000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 165000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 154000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 154000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 183000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 189000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 199000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 189000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 150000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 146000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 145000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 271000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 326000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 308000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 490000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2019-01-01",
          "end": "2019-12-31",
          "val": -385000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1772000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -942000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 17000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -107000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -261000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 29000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 133000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 258000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 411000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 616000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1108000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -111000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -133000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -269000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 63000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 194000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -727000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 246000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -301000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 569000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 725000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -318000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -493000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -827000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -405000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -389000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2232000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 145000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -46000,
          "accn": "0001214659-26-002559",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -87000,
          "accn": "0001214659-25-003521",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5000,
          "accn": "0001214659-24-003507",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2000,
          "accn": "0001214659-23-003137",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -530000,
          "accn": "0001214659-22-003344",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 179000,
          "accn": "0001214659-21-002594",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 64000,
          "accn": "0001214659-20-002132",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-03",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 158000,
          "accn": "0001214659-19-001686",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 61000,
          "accn": "0001214659-18-002005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -170000,
          "accn": "0001214659-17-001713",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -22000,
          "accn": "0001214659-16-010035",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-03",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -37000,
          "accn": "0001214659-15-001930",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-03",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -145000,
          "accn": "0001214659-14-001991",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 42000,
          "accn": "0001214659-13-001048",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 351000,
          "accn": "0001214659-12-001409",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/ee3b7fe0cbf22dcec05a99fdc1a0c5505b9a030429285cba0f6cdf5e00513865.json.gz"
}
