{
  "schema": "canli.company-reference.v1",
  "cik": "0001087294",
  "name": "Cumberland Pharmaceuticals Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001087294.json",
  "source_sha256": "b37ed2fef35db1cde0c40b2233eb97cf370fc96d41a5c7d61b6a5a76a296e4a0",
  "fetched_at": "2026-09-20T05:21:29.619Z",
  "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": 76823992,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 75583410,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 81776075,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 92925158,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 84459798,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 96463305,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 104549283,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 112693868,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 93232312,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 93404566,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 91918959,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 95405114,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 87613738,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 98593731,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 95518316,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 92054054,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 52279770,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 53037433,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 52516206,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 56951152,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 41857820,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 49589911,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 53464030,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 57123367,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 29310711,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 20283747,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15099176,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 14652323,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 8321895,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 13027244,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 12683047,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 14338579,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 24880322,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 22853494,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 29603441,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 36266132,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 42814306,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 46990510,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 51122873,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 55844767,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 64120163,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 73248199,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 76887908,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 80760673,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 79468481,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 85696321,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 82928817,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 77777680,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "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": 11444693,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 17964184,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 18321624,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 19757970,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 27040816,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 24753796,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 28212635,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 27938960,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 45412868,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 34510330,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 38203059,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 39866037,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 40869457,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 54349381,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 70599146,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 65893970,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 78701682,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 11829551,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -2836128,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -6479770,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -6279320,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -5570241,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -3507587,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -3339408,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -3537759,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -6963068,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -7978633,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -944683,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 731351,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2423723,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -2104614,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5842492,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5657856,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2456680,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3091415,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 4932522,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -612186,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 6093821,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8453396,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6342443,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5415061,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3056356,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3112737,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -557714,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 569478,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5876865,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6693431,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 746126,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7135182,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 8722147,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 346662,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 404970,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 97903,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 66461,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 281268,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 102148,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 103532,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 140817,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 246202,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 455569,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 275960,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 130872,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 142965,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 163258,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 97412,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 464893,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 257502,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 577159,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 601802,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 42010949,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 35985043,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 37441134,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 34388295,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 29344894,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 41150131,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 33025560,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 900000,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 600000,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 800000,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 700000,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 44521431,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 37867945,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 39552507,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 42010949,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 35045259,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 35840673,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 32407845,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 28803961,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 40376563,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 32478185,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -6745516,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 196904,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -7424472,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -2061786,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -3553530,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -7116111,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -5080529,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7138173,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1947675,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1147128,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -5194871,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1662411,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -9154111,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4207806,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -3579200,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -12385732,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 67179504,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -4706497,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 57842,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -105695,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -13674456,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -501893,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1757789,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2297848,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -27724818,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 9512577,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -3115079,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -2344972,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -6034440,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5071939,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -19177141,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -437771,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -768642,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -712343,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": -26804059,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -23967931,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -17488161,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -11208841,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -5638600,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -2131013,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1208395,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4746154,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 11709222,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 18604931,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 19549614,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 18818263,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 16394540,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 18499154,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 12656662,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 6998806,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 14854619,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 14060272,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 14298774,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 14563592,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 14904834,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15162184,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 15396098,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 15614052,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15911577,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 16236525,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 16715970,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 17617765,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 18332997,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 19564625,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20342913,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 20333932,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 14199479,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 14854619,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 14060272,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 14298774,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 14563592,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 14904834,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15162184,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 15396098,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 15614052,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15911577,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 16236525,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 17094754,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 17899632,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 18332997,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 19787537,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20572132,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 21058577,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 18234171,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.19,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.46,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.44,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.38,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.24,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.22,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.23,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.45,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.5,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.06,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.04,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.14,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.11,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.3,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.28,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.12,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.22,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.19,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.46,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.44,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.38,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.24,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.22,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -0.23,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.45,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.5,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.06,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.04,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.14,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.11,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.3,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.28,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.12,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.17,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 40256,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -22669,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 45769,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 68850,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 34891,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 55902,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -79316,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 16636,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4174889,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -330924,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 575829,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1380744,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -1523051,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3244776,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4080204,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2851420,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2024192,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 264724,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 277365,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 367903,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 284039,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 442635,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 574169,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 747796,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 771213,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 528882,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 464454,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 536450,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 651030,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 880647,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1188914,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1119339,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1220010,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 408320,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 301895,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 365040,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 447503,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 741867,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1046516,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1485898,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1364698,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1115063,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 852102,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 622503,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 761663,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 674955,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 636528,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 779305,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 768630,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -2791993,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -6432409,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -9554661,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -5704929,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -7677420,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -6381595,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -9288182,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -11172996,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -4081348,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1433131,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1111610,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3558836,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -3801338,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 8818102,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 9849487,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6501747,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 5776635,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 37060267,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 36452158,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 35714410,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 45870210,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 45688013,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 49969592,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 50163075,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 59116037,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 68684845,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 65545264,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 64583350,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 70814971,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 68679715,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 87232242,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 87308067,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 81038842,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 495990,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 605508,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 667861,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 585995,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 98031,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 263627,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 246186,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 195848,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 92904,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 106392,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 73856,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 67074,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 103422,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 71985,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 353497,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1423523,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 772927,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 36744919,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 31621729,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 27982249,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 28579832,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 19278960,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 25667446,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 24150235,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 27804224,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 17694743,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14792263,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 12411747,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 13749482,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 7545770,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 8055360,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6599948,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 9227620,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 18567546,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 13914266,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 14037629,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 10819011,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 9640980,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 13396286,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9993578,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 11093297,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8979929,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8036611,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2877479,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3242713,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2035853,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2790554,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1513548,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2124654,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 914000,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 914000,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 914000,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 914000,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 882000,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 882000,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 882000,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 784000,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 14027921,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 17973449,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 22607918,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 30590678,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 23954475,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 28118316,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 30920324,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 33655099,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 21444545,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 22154176,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 21168596,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 21568541,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 15498819,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 9476798,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 7023064,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 7427223,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 16944780,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 11701466,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 9758176,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 13163681,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 6877346,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 12377713,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 7859006,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7844249,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8395112,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7330127,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 6077120,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5504728,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4530424,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 6017201,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 7082890,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5145494,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 263478,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 579049,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 740533,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1053042,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1386849,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1851526,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3494921,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2879426,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3724375,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2520715,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5338967,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4315444,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 4800908,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 8086594,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4247440,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4846791,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 27295808,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 6225518,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 3999995,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 4609362,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 9863581,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8429882,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 10638157,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 8871254,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12078343,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6737848,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 5371729,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4270143,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5600319,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 5722882,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 6218355,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5774694,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 7683842,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2010Q4I",
          "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": 5566498,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4816206,
          "accn": "0001087294-26-000020",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-09",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5834229,
          "accn": "0001628280-25-011366",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-07",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 6688924,
          "accn": "0001628280-24-010725",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 5684465,
          "accn": "0001628280-23-007727",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-13",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5773825,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6868480,
          "accn": "0001628280-22-005942",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7575892,
          "accn": "0001628280-21-004654",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4280385,
          "accn": "0001628280-20-003880",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-20",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3190700,
          "accn": "0001628280-19-002785",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-12",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3847651,
          "accn": "0001628280-18-003034",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3389419,
          "accn": "0001628280-17-002485",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5615501,
          "accn": "0001628280-16-012682",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-14",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5095172,
          "accn": "0001628280-15-001629",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-09",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5028072,
          "accn": "0001087294-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4327485,
          "accn": "0001445305-13-000573",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4993278,
          "accn": "0001193125-12-101478",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-07",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/b37ed2fef35db1cde0c40b2233eb97cf370fc96d41a5c7d61b6a5a76a296e4a0.json.gz"
}
