{
  "schema": "canli.company-reference.v1",
  "cik": "0001550603",
  "name": "MALVERN BANCORP, INC.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001550603.json",
  "source_sha256": "4bce21af3b1c56c444f33d20a806931dede8db8e7610537c64c5759e8dd8207a",
  "fetched_at": "2026-09-23T02:59:14.509Z",
  "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": "2022-09-30",
          "val": 1044360000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 1209143000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-06-30",
          "val": 1185744000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q2I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 1206419000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1220924000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 1208275000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-06-30",
          "val": 1208070000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q2I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 1240337000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1262832000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 1269497000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-06-30",
          "val": 1270178000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q2I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 1214540000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1132792000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 1033951000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 1046012000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 821272000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 655690000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 542264000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 601554000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 711812000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 666568000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "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": "2022-09-30",
          "val": 897915000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 1066975000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 1067682000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 1126989000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 923128000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 943492000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 725115000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 572941000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 465104000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 526148000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 649176000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 606284000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "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": "2022-09-30",
          "val": 146445000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 142168000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-06-30",
          "val": 148192000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 145851000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 143266000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 140593000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-06-30",
          "val": 143531000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q2I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 143150000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 143535000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 142508000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-06-30",
          "val": 139668000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q2I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 137568000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 135679000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 110823000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 102520000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 96157000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 82749000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 77160000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 75406000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 62636000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 60284000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 66207000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2010Q3I",
          "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": "2022-09-30",
          "val": 53267000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 136590000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 61439000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 153543000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 30834000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 117136000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 96762000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 40263000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 19187000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 23687000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 131910000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 33496000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 81395000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2010Q3I",
          "unit": "USD"
        },
        {
          "end": "2009-09-30",
          "val": 25325000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2009Q3I",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 6951000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -92000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 644000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 9332000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 7306000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 5817000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 12150000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 4668000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 711000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": -18803000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 1959000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -6112000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -3129000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 5900000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 14756000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 11726000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 10241000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 9058000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 9832000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 9334000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 3246000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 3909000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 7821000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -350000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 81000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 175000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 300000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 258000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 561000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 1594000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 752000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 358000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 244000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 282000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 234000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 227000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 1185000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 1237000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 1323000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 1316000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 1796000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 1268000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": -162856000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 2381000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -68504000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 215587000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -18981000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 217508000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 151377000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 107589000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 42552000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -48654000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 34632000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 73633000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 58014000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -35326000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -103119000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -76379000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -206966000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -104212000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -89759000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 51953000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -7066000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 21788000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2022-09-30",
          "val": 67247000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 60296000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 60388000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 59744000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 50412000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 43139000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 37322000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 25172000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 20116000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 19793000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 38596000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 7563648,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 7537408,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 7597528,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 7638866,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 6456154,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 6431445,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 6409265,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 6393330,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 6378930,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 6351248,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 6354951,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 6340585,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 5890905,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 7564212,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 7538116,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 7597726,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 7639166,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 6459510,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 6432137,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 6409325,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 6393330,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 6378930,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 0.92,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -0.01,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 0.08,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 1.22,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 1.13,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 0.9,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 1.9,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 0.73,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 0.11,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": -2.96,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 0.31,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -0.96,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -0.53,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 0.92,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -0.01,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 0.08,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 1.22,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 1.13,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 0.9,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 1.9,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 1924000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -212000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -36000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 2469000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 4276000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 2922000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -6174000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -970000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": -367000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 6010000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 628000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -3579000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "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": "2022-09-30",
          "val": 5231000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 5777000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-06-30",
          "val": 5902000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q2I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 6040000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 6154000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 6274000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-06-30",
          "val": 6355000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q2I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 6476000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6594000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 6678000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-06-30",
          "val": 6795000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q2I",
          "unit": "USD"
        },
        {
          "end": "2019-03-31",
          "val": 6948000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q1I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7067000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 7181000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 7507000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 6637000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 6535000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 6823000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 7259000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 7675000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 8165000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 307000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 223000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 253000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 209000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 142000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 110000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "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": "2021-10-01",
          "end": "2022-09-30",
          "val": 5685000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 10356000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 17275000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 18760000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 12995000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 9446000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 6732000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 5248000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 5071000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 6944000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 8412000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 10198000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 13641000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "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": "2019-10-01",
          "end": "2020-09-30",
          "val": 2529000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 336000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 0,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 0,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 458000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2022-09-30",
          "val": 7633828,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "shares"
        },
        {
          "end": "2021-09-30",
          "val": 7622316,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "shares"
        },
        {
          "end": "2020-09-30",
          "val": 7609953,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "shares"
        },
        {
          "end": "2019-09-30",
          "val": 7765395,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "shares"
        },
        {
          "end": "2018-09-30",
          "val": 6580879,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "shares"
        },
        {
          "end": "2017-09-30",
          "val": 6572684,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "shares"
        },
        {
          "end": "2016-09-30",
          "val": 6560403,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "shares"
        },
        {
          "end": "2015-09-30",
          "val": 6558473,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015Q3I",
          "unit": "shares"
        },
        {
          "end": "2014-09-30",
          "val": 6558473,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "shares"
        },
        {
          "end": "2013-09-30",
          "val": 6558473,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "shares"
        },
        {
          "end": "2012-09-30",
          "val": 6102500,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "shares"
        },
        {
          "end": "2011-09-30",
          "val": 6102500,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2022-09-30",
          "val": -3176000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 36000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": -1088000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": -569000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 584000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 62000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": -63000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": -1079000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": -1805000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": -2688000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 641000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 351000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2012-09-30",
          "val": 62636000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 60284000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 66207000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010Q3I",
          "unit": "USD"
        },
        {
          "end": "2009-09-30",
          "val": 69842000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2009Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2021-09-30",
          "val": 1796000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "unit": "USD"
        },
        {
          "end": "2021-06-30",
          "val": 2168000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q2I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 2322000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2479000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 2638000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-06-30",
          "val": 2799000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q2I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2959000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3119000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2021-09-30",
          "val": 1830000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "unit": "USD"
        },
        {
          "end": "2021-06-30",
          "val": 2204000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q2I",
          "unit": "USD"
        },
        {
          "end": "2021-03-31",
          "val": 2357000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q1I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2512000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 2671000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-06-30",
          "val": 2824000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q2I",
          "unit": "USD"
        },
        {
          "end": "2020-03-31",
          "val": 2976000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q1I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3128000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2021-09-30",
          "val": 18607000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 18474000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 18178000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 17921000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 18651000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 17055000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 16306000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 15947000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 16165000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 15898000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 15664000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2022-09-30",
          "val": 13457000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 12830000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 12200000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 11500000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 10740000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 11144000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 10418000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 9771000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 9124000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 8906000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 8223000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 7499000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2022-09-30",
          "val": 4889000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 4025000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 4358000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 2990000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 3680000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 6989000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 9326000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 3403000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 2533000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 2556000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 7140000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 7876000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 8875000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -304000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 608000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 11801000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 11582000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 8739000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 5976000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 3739000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 1032000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 125000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 8179000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 7795000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 5942000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 13166000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 5394000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 1594000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": -22132000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 2249000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -5940000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 627000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 630000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 745000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 761000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 758000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 724000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 650000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 646000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 638000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 695000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 724000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 826000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 803000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 628000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -3579000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -1895000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 597000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 150000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -840000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 231000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 3353000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 2092000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -6316000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -1035000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": -367000,
          "accn": "0001615774-17-007382",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2017-12-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 6025000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 541000,
          "accn": "0001571049-14-007323",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-18",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -3091000,
          "accn": "0001188112-13-003583",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-12-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -2212000,
          "accn": "0001188112-12-003661",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-12-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 5714000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 10511000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 17347000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 18386000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 12904000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 9179000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 6701000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 5001000,
          "accn": "0001615774-17-007677",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-29",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 0,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 2372000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 1477000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 1367000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 2630000,
          "accn": "0001564590-19-046063",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 130000,
          "accn": "0001193125-18-349221",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-14",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 0,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 72000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 23344000,
          "accn": "0001564590-21-009432",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": -20841000,
          "accn": "0001615774-15-003711",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-12-23",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 531000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 893000,
          "accn": "0001437749-22-029790",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 667000,
          "accn": "0001564590-22-000790",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-01-10",
          "frame": "CY2020",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/4bce21af3b1c56c444f33d20a806931dede8db8e7610537c64c5759e8dd8207a.json.gz"
}
