{
  "schema": "canli.company-reference.v1",
  "cik": "0001574235",
  "name": "PULMATRIX, INC.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001574235.json",
  "source_sha256": "37bd23f79624fb46ce17d4de61d72d4fae3fff22b80779eba8ca631a318d4588",
  "fetched_at": "2026-09-19T11:19:05.557Z",
  "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": 4139000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 9943000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 33958000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 40953000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 58817000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 38095000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 36098000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14723000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 15978000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 16663000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 44873000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 10680000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1551000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 15576000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "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": 329000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 996000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 15963000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 9844000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 11368000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 14956000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 25079000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2879000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5841000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7902000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 12267000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 44772000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "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": 3810000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 8947000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 17995000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 31109000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 47449000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 23139000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 11019000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 11844000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10137000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8761000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 32606000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 10045000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -78794000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 14629000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -74840000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-03-31",
          "val": 47000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013Q1I",
          "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": 4088000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 9521000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 19173000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 35628000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 53840000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 31657000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 23440000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2563000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3550000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 4182000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 18902000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 451000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1425000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2013Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -5162000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -9559000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -14121000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -18836000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -20171000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -19308000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -20596000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -20563000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -18056000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -27843000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -26167000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -6691000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -24144000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -3118000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "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": -5433000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -10716000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -15985000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -19356000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -19727000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -12483000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3230000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -16761000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -14477000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 398000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 676000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 86000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 144000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 281000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 58000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 74000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 455000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 266000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 156000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 285000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7910000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 153000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 335000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 835000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1201000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 352000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7806000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 7298000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 6071000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 5169000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 12634000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7910000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "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": "2023-01-01",
          "end": "2023-12-31",
          "val": 53000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1230000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 43475000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 20981000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 17705000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 15793000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 13919000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -398000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -676000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -86000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -144000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -281000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -58000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -19000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -74000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": -302318000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -297156000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -287597000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -273476000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -254640000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -234469000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -215161000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -194565000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -174002000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -155946000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -128103000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": -10360000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -101936000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": -3669000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3652285,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3652285,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3651911,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3447701000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2708558,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3652285,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3652285,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3651911,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3447701000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -1.41,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -2.62,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -3.87,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -5.46,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -8.63,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -1.41,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -2.62,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -3.87,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -5.46,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -2959000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2023-12-31",
          "val": 1158000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 235000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 321000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 361000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 270000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 394000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 614000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 786000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 685000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 157000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 470000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 2000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 25000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 511000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 954000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1114000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1158000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1158000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2066000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2973000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2818000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3998000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5508000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 1079000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 240000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 0,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "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": -5169000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -9763000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -14740000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -18947000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -20167000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -9862000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -20692000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -20400000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -17475000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -24866000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -23018000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": -6708000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -9076000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": -3118000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "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": 4129000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 9920000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 20843000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 38147000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 54778000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 32464000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 31417000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3280000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 4246000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 4759000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 20462000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 10523000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 831000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 15574000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 186000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 643000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 881000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 953000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 15276000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "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": 329000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 929000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 3909000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 5022000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4442000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 8180000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 17200000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2879000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5840000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 4650000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 3605000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-03-31",
          "val": 635000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2015Q1I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 43463000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-03-31",
          "val": 947000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2014Q1I",
          "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": 272000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 809000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1915000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1188000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 839000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 851000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 600000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1183000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 457000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 747000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1090000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 216000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 3577000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3577000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 10845000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10914000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 10914000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15943000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2015Q4I",
          "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": "2023-12-31",
          "val": 928000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1298000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 67000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 84000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 7200000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019Q4I",
          "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": 5169000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 17569000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 22038000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 25018000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 25336000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 22496000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 28602000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 20553000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 17810000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 25701000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 24219000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 6708000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 9428000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 3118000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 38000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7166000,
          "accn": "0001493152-26-028902",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2026-06-16",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 15518000,
          "accn": "0001493152-25-011084",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-21",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 18240000,
          "accn": "0001493152-24-011630",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 15382000,
          "accn": "0001493152-23-009609",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15609000,
          "accn": "0001493152-22-007957",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-29",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 12845000,
          "accn": "0001493152-21-006602",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 12966000,
          "accn": "0001193125-20-086168",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 10243000,
          "accn": "0001193125-19-043624",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 10152000,
          "accn": "0001193125-18-080793",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 7187000,
          "accn": "0001193125-17-077912",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-10",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-04-01",
          "end": "2015-03-31",
          "val": 2178000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6590000,
          "accn": "0001193125-16-499264",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-10",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-04-01",
          "end": "2014-03-31",
          "val": 1382000,
          "accn": "0001144204-15-036361",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-06-10",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/37bd23f79624fb46ce17d4de61d72d4fae3fff22b80779eba8ca631a318d4588.json.gz"
}
