{
  "ticker": "BRT",
  "name": "BRT Apartments Corp.",
  "cik": "0000014846",
  "sic": "6798",
  "sic_description": "Real Estate Investment Trusts",
  "source": "SEC XBRL companyfacts",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000014846.json",
  "as_of": "2026-03-13",
  "note": "Verified SEC companyfacts-derived facts; derived metrics (margins, ratios, free cash flow) are computed from those facts. Descriptive data, not investment advice.",
  "annual": [
    {
      "metric_id": "revenue",
      "label": "Revenue",
      "concept": "Revenues",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 98521000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 105771000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 27761000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 28102000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 32057000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 70527000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 93617000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 95630000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 97028000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 31289000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 13600000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 25495000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 856000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -19862000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 29114000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 49955000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 3873000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -9791000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -11946000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "operating_income",
      "label": "Operating income",
      "concept": "OperatingIncomeLoss",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:OperatingIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": -9137000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": -13566000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": -8015000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": -8374000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -13460000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": -10068000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": -15011000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": -14282000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -12312000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -12496000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "derived": false,
      "source_concepts": [
        "us-gaap:EarningsPerShareDiluted"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 2.23,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 0.97,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 1.68,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 0.05,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -1.16,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 1.62,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 2.66,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 0.16,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -0.52,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -0.63,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "operating_cash_flow",
      "label": "Operating cash flow",
      "concept": "NetCashProvidedByUsedInOperatingActivities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetCashProvidedByUsedInOperatingActivities"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 10080000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 13091000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 27002000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 8648000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -1755000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": -529000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 15450000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 19606000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 24143000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 14098000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "dividends_paid",
      "label": "Dividends paid",
      "concept": "PaymentsOfDividends",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:PaymentsOfDividends"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 11463000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 0.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 12088000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 13468000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 15116000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 15769000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 17863000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 18909000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 18639000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 18894000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "share_buybacks",
      "label": "Share buybacks",
      "concept": "PaymentsForRepurchaseOfCommonStock",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:PaymentsForRepurchaseOfCommonStock"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 2115000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 193000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 162000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 46000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 616000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 0.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 0.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 14399000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 3495000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 4987000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "assets",
      "label": "Assets",
      "concept": "Assets",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Assets"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 874899000.0,
          "filed": "2017-12-14",
          "accession": "0000014846-17-000051"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 993897000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 394990000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 390610000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 365741000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 459538000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 732616000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 709963000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 713463000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 709813000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "liabilities",
      "label": "Liabilities",
      "concept": "Liabilities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Liabilities"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 673223000.0,
          "filed": "2017-12-14",
          "accession": "0000014846-17-000051"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 757192000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 191171000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 191050000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 188053000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 256587000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 482546000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 481518000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 508549000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 532613000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "equity",
      "label": "Stockholders' equity",
      "concept": "StockholdersEquity",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 151290000.0,
          "filed": "2017-12-14",
          "accession": "0000014846-17-000051"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 165996000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 203488000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 199653000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 177772000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 202956000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 250088000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 228460000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 204969000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 177242000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "cash",
      "label": "Cash and cash equivalents",
      "concept": "CashAndCashEquivalentsAtCarryingValue",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:CashAndCashEquivalentsAtCarryingValue"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 27399000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 12383000.0,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 23539000.0,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 22699000.0,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 19885000.0,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 32339000.0,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 20281000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 23512000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 27856000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 25138000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "net_margin",
      "label": "Net margin",
      "concept": "NetIncomeLoss / Revenues",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 31.75871134072939,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 12.857966739465448,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 3.083462411296423,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -70.67824354138496,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 90.81947780515955,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 70.83102925120876,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 4.137069122061164,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -10.238418906200982,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -12.311909964134065,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "operating_margin",
      "label": "Operating margin",
      "concept": "OperatingIncomeLoss / Revenues",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:OperatingIncomeLoss",
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": -9.274164898854051,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": -12.825821822616785,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": -30.164619430135804,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -47.89694683652409,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": -31.40655707021867,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": -21.28404724431778,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": -15.255776194494588,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -12.874620934853079,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -12.87875664756565,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "roe",
      "label": "Return on equity",
      "concept": "NetIncomeLoss / StockholdersEquity",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 20.68147266838522,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 8.192968505265187,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 12.528994338732504,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 0.42874387061551794,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -11.172738113988705,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 14.344981178186405,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 19.974968810978535,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 1.695263941171321,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -4.776819909352146,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -6.739937486600242,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "roa",
      "label": "Return on assets",
      "concept": "NetIncomeLoss / Assets",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
        "us-gaap:NetIncomeLoss",
        "us-gaap:Assets"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 3.576298521315032,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 1.3683510464364013,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 6.454593787184486,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 0.2191444151455416,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": -5.430618935257463,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 6.335493473880288,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 6.818715397971106,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 0.5455213863257663,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": -1.3723206389118987,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -1.6829784746123275,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    },
    {
      "metric_id": "liabilities_to_equity",
      "label": "Liabilities / equity",
      "concept": "Liabilities / StockholdersEquity",
      "unit": "Ratio",
      "derived": true,
      "source_concepts": [
        "us-gaap:Liabilities",
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
          "fiscal_year": 2016,
          "period_end": "2016-09-30",
          "value": 4.449884328111573,
          "filed": "2017-12-14",
          "accession": "0000014846-17-000051"
        },
        {
          "fiscal_year": 2017,
          "period_end": "2017-09-30",
          "value": 4.561507506204968,
          "filed": "2018-12-10",
          "accession": "0000014846-18-000041"
        },
        {
          "fiscal_year": 2018,
          "period_end": "2018-12-31",
          "value": 0.9394706321748703,
          "filed": "2020-05-15",
          "accession": "0000014846-20-000010"
        },
        {
          "fiscal_year": 2019,
          "period_end": "2019-12-31",
          "value": 0.956910239265125,
          "filed": "2021-03-15",
          "accession": "0000014846-21-000008"
        },
        {
          "fiscal_year": 2020,
          "period_end": "2020-12-31",
          "value": 1.057832504556398,
          "filed": "2022-03-16",
          "accession": "0000014846-22-000010"
        },
        {
          "fiscal_year": 2021,
          "period_end": "2021-12-31",
          "value": 1.264249393957311,
          "filed": "2023-03-15",
          "accession": "0000014846-23-000005"
        },
        {
          "fiscal_year": 2022,
          "period_end": "2022-12-31",
          "value": 1.9295048143053646,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019"
        },
        {
          "fiscal_year": 2023,
          "period_end": "2023-12-31",
          "value": 2.1076687385100237,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005"
        },
        {
          "fiscal_year": 2024,
          "period_end": "2024-12-31",
          "value": 2.4811020203055096,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        },
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 3.0050044571828347,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007"
        }
      ]
    }
  ],
  "quarterly": [
    {
      "metric_id": "revenue",
      "label": "Revenue",
      "concept": "Revenues",
      "unit": "USD",
      "source_concepts": [
        "us-gaap:Revenues"
      ],
      "points": [
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 23318000.0,
          "filed": "2023-08-07",
          "accession": "0000014846-23-000028",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": 23852000.0,
          "filed": "2023-11-06",
          "accession": "0000014846-23-000040",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 4,
          "period_label": "2023-Q4",
          "period_end": "2023-12-31",
          "value": 23508000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019",
          "derived": true
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": 23403000.0,
          "filed": "2024-05-08",
          "accession": "0000014846-24-000027",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": 23862000.0,
          "filed": "2024-08-09",
          "accession": "0000014846-24-000050",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": 24396000.0,
          "filed": "2024-11-07",
          "accession": "0000014846-24-000061",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 4,
          "period_label": "2024-Q4",
          "period_end": "2024-12-31",
          "value": 23969000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005",
          "derived": true
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": 24106000.0,
          "filed": "2025-05-08",
          "accession": "0000014846-25-000012",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": 24197000.0,
          "filed": "2025-08-07",
          "accession": "0000014846-25-000027",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": 24434000.0,
          "filed": "2025-11-06",
          "accession": "0000014846-25-000037",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 4,
          "period_label": "2025-Q4",
          "period_end": "2025-12-31",
          "value": 24291000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007",
          "derived": true
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": 24605000.0,
          "filed": "2026-05-07",
          "accession": "0000014846-26-000017",
          "derived": false
        }
      ]
    },
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 11202000.0,
          "filed": "2023-08-07",
          "accession": "0000014846-23-000028",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": -1494000.0,
          "filed": "2023-11-06",
          "accession": "0000014846-23-000040",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 4,
          "period_label": "2023-Q4",
          "period_end": "2023-12-31",
          "value": -1737000.0,
          "filed": "2024-03-14",
          "accession": "0000014846-24-000019",
          "derived": true
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": -3171000.0,
          "filed": "2024-05-08",
          "accession": "0000014846-24-000027",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": -2345000.0,
          "filed": "2024-08-09",
          "accession": "0000014846-24-000050",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": -2205000.0,
          "filed": "2024-11-07",
          "accession": "0000014846-24-000061",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 4,
          "period_label": "2024-Q4",
          "period_end": "2024-12-31",
          "value": -2070000.0,
          "filed": "2025-03-12",
          "accession": "0000014846-25-000005",
          "derived": true
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": -2352000.0,
          "filed": "2025-05-08",
          "accession": "0000014846-25-000012",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": -2566000.0,
          "filed": "2025-08-07",
          "accession": "0000014846-25-000027",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": -2707000.0,
          "filed": "2025-11-06",
          "accession": "0000014846-25-000037",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 4,
          "period_label": "2025-Q4",
          "period_end": "2025-12-31",
          "value": -4321000.0,
          "filed": "2026-03-13",
          "accession": "0000014846-26-000007",
          "derived": true
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": -2682000.0,
          "filed": "2026-05-07",
          "accession": "0000014846-26-000017",
          "derived": false
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "source_concepts": [
        "us-gaap:EarningsPerShareDiluted"
      ],
      "points": [
        {
          "fiscal_year": 2022,
          "fiscal_quarter": 2,
          "period_label": "2022-Q2",
          "period_end": "2022-06-30",
          "value": 1.91,
          "filed": "2022-08-08",
          "accession": "0000014846-22-000036",
          "derived": false
        },
        {
          "fiscal_year": 2022,
          "fiscal_quarter": 3,
          "period_label": "2022-Q3",
          "period_end": "2022-09-30",
          "value": 0.37,
          "filed": "2022-11-09",
          "accession": "0000014846-22-000053",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 1,
          "period_label": "2023-Q1",
          "period_end": "2023-03-31",
          "value": -0.21,
          "filed": "2023-05-08",
          "accession": "0000014846-23-000016",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 2,
          "period_label": "2023-Q2",
          "period_end": "2023-06-30",
          "value": 0.58,
          "filed": "2023-08-07",
          "accession": "0000014846-23-000028",
          "derived": false
        },
        {
          "fiscal_year": 2023,
          "fiscal_quarter": 3,
          "period_label": "2023-Q3",
          "period_end": "2023-09-30",
          "value": -0.08,
          "filed": "2023-11-06",
          "accession": "0000014846-23-000040",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 1,
          "period_label": "2024-Q1",
          "period_end": "2024-03-31",
          "value": -0.17,
          "filed": "2024-05-08",
          "accession": "0000014846-24-000027",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 2,
          "period_label": "2024-Q2",
          "period_end": "2024-06-30",
          "value": -0.13,
          "filed": "2024-08-09",
          "accession": "0000014846-24-000050",
          "derived": false
        },
        {
          "fiscal_year": 2024,
          "fiscal_quarter": 3,
          "period_label": "2024-Q3",
          "period_end": "2024-09-30",
          "value": -0.12,
          "filed": "2024-11-07",
          "accession": "0000014846-24-000061",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 1,
          "period_label": "2025-Q1",
          "period_end": "2025-03-31",
          "value": -0.12,
          "filed": "2025-05-08",
          "accession": "0000014846-25-000012",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 2,
          "period_label": "2025-Q2",
          "period_end": "2025-06-30",
          "value": -0.14,
          "filed": "2025-08-07",
          "accession": "0000014846-25-000027",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
          "value": -0.14,
          "filed": "2025-11-06",
          "accession": "0000014846-25-000037",
          "derived": false
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": -0.14,
          "filed": "2026-05-07",
          "accession": "0000014846-26-000017",
          "derived": false
        }
      ]
    }
  ]
}
