{
  "cik": 880807,
  "cik_padded": "0000880807",
  "entityName": "AMERICAN SUPERCONDUCTOR CORP /DE/",
  "fiscal_years": [
    {
      "accn": "0001437749-26-018542",
      "filed": "2026-05-27",
      "fiscal_year": 2026,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 4888000.0,
        "cash": 140693000.0,
        "cost_of_revenue": 207776000.0,
        "eps_diluted": 3.05,
        "free_cash_flow": 18260000.0,
        "gross_profit": 91379000.0,
        "net_income": 133809000.0,
        "operating_cash_flow": 23148000.0,
        "operating_income": 11445000.0,
        "revenue": 299155000.0,
        "stockholders_equity": 555447000.0,
        "total_assets": 739481000.0,
        "total_liabilities": 184034000.0
      },
      "period_end": "2026-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.3054570373217897,
        "leverage": 0.33132594108888874,
        "net_margin": 0.44728986645718777,
        "operating_margin": 0.03825775935551804,
        "revenue_growth_yoy": 0.34259799477600555,
        "roa_avg2y": 0.2548738002403805,
        "roa_period_end": 0.18094988241753338,
        "roe_avg2y": 0.3556097113722343,
        "roe_period_end": 0.2409032724994464
      }
    },
    {
      "accn": "0001437749-26-018542",
      "filed": "2026-05-27",
      "fiscal_year": 2025,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 126000.0,
        "capex": 2415000.0,
        "cash": 79494000.0,
        "cost_of_revenue": 160964000.0,
        "eps_diluted": 0.16,
        "free_cash_flow": 25870000.0,
        "gross_profit": 61854000.0,
        "net_income": 6033000.0,
        "operating_cash_flow": 28285000.0,
        "operating_income": -1077000.0,
        "revenue": 222818000.0,
        "stockholders_equity": 197114000.0,
        "total_assets": 310521000.0,
        "total_liabilities": 113407000.0
      },
      "period_end": "2025-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.27759875773052445,
        "leverage": 0.5753371145631462,
        "net_margin": 0.02707590948666625,
        "operating_margin": -0.004833541275839475,
        "revenue_growth_yoy": 0.5299336029497593,
        "roa_avg2y": 0.022209051486125325,
        "roa_period_end": 0.01942863767667887,
        "roe_avg2y": 0.03531322709513148,
        "roe_period_end": 0.03060665401747212
      }
    },
    {
      "accn": "0001437749-26-018542",
      "filed": "2026-05-27",
      "fiscal_year": 2024,
      "form": "10-K",
      "fundamental_units": {
        "buybacks": "USD",
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "buybacks": 0.0,
        "capex": 934000.0,
        "cash": 90522000.0,
        "cost_of_revenue": 110356000.0,
        "eps_diluted": -0.37,
        "free_cash_flow": 1204000.0,
        "gross_profit": 35283000.0,
        "net_income": -11111000.0,
        "operating_cash_flow": 2138000.0,
        "operating_income": -11368000.0,
        "revenue": 145639000.0,
        "stockholders_equity": 144571000.0,
        "total_assets": 232771000.0,
        "total_liabilities": 88200000.0
      },
      "period_end": "2024-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.24226340471988958,
        "leverage": 0.6100808599234978,
        "net_margin": -0.07629137799627847,
        "operating_margin": -0.07805601521570459,
        "revenue_growth_yoy": 0.3741602506038647,
        "roa_avg2y": -0.05442140219233369,
        "roa_period_end": -0.0477336094272912,
        "roe_avg2y": -0.09816758552445576,
        "roe_period_end": -0.0768549709139454
      }
    },
    {
      "accn": "0001437749-26-018542",
      "filed": "2026-05-27",
      "fiscal_year": 2023,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 1236000.0,
        "cash": 23360000.0,
        "cost_of_revenue": 97463000.0,
        "eps_diluted": -1.26,
        "free_cash_flow": -23721000.0,
        "gross_profit": 8521000.0,
        "net_income": -35041000.0,
        "operating_cash_flow": -22485000.0,
        "operating_income": -33009000.0,
        "revenue": 105984000.0,
        "stockholders_equity": 81797000.0,
        "total_assets": 175561000.0,
        "total_liabilities": 93764000.0
      },
      "period_end": "2023-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.08039892814009662,
        "leverage": 1.146301209090798,
        "net_margin": -0.33062537741545894,
        "operating_margin": -0.3114526721014493,
        "revenue_growth_yoy": -0.022603402960298797,
        "roa_avg2y": -0.20055058263318148,
        "roa_period_end": -0.1995944429571488,
        "roe_avg2y": -0.3665644974004373,
        "roe_period_end": -0.42838979424673274
      }
    },
    {
      "accn": "0001437749-24-018602",
      "filed": "2024-05-29",
      "fiscal_year": 2022,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 938000.0,
        "cash": 40584000.0,
        "cost_of_revenue": 94943000.0,
        "eps_diluted": -0.71,
        "free_cash_flow": -19915000.0,
        "gross_profit": 13492000.0,
        "net_income": -19193000.0,
        "operating_cash_flow": -18977000.0,
        "operating_income": -21089000.0,
        "revenue": 108435000.0,
        "stockholders_equity": 109389000.0,
        "total_assets": 173887000.0,
        "total_liabilities": 64498000.0
      },
      "period_end": "2022-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.12442477059989855,
        "leverage": 0.5896205285723427,
        "net_margin": -0.17700004611057316,
        "operating_margin": -0.19448517545073085,
        "revenue_growth_yoy": 0.24459110473457676,
        "roa_avg2y": -0.11199318459648785,
        "roa_period_end": -0.11037627884775744,
        "roe_avg2y": -0.1698638381102836,
        "roe_period_end": -0.17545639872382052
      }
    },
    {
      "accn": "0001437749-23-016265",
      "filed": "2023-05-31",
      "fiscal_year": 2021,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 1764000.0,
        "cash": 67814000.0,
        "eps_diluted": -0.95,
        "free_cash_flow": -10445000.0,
        "net_income": -22678000.0,
        "operating_cash_flow": -8681000.0,
        "operating_income": -23165000.0,
        "revenue": 87125000.0,
        "stockholders_equity": 116592000.0,
        "total_assets": 168866000.0,
        "total_liabilities": 52274000.0
      },
      "period_end": "2021-03-31",
      "ratio_units": {
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.4483498010155071,
        "net_margin": -0.2602926829268293,
        "operating_margin": -0.26588235294117646,
        "revenue_growth_yoy": 0.3647827312885742,
        "roa_avg2y": -0.15481184401399437,
        "roa_period_end": -0.1342958321983111,
        "roe_avg2y": -0.24021905503386984,
        "roe_period_end": -0.1945073418416358
      }
    },
    {
      "accn": "0001437749-22-014035",
      "filed": "2022-06-01",
      "fiscal_year": 2020,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 3630000.0,
        "cash": 24699000.0,
        "cost_of_revenue": 54393000.0,
        "eps_diluted": -1.03,
        "free_cash_flow": -20127000.0,
        "gross_profit": 9445000.0,
        "net_income": -17096000.0,
        "operating_cash_flow": -16497000.0,
        "operating_income": -23129000.0,
        "revenue": 63838000.0,
        "stockholders_equity": 72219000.0,
        "total_assets": 124109000.0,
        "total_liabilities": 51890000.0
      },
      "period_end": "2020-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.1479526300949278,
        "leverage": 0.7185089796313989,
        "net_margin": -0.2678028760299508,
        "operating_margin": -0.3623077164071556,
        "revenue_growth_yoy": 0.13576600779262368,
        "roa_avg2y": -0.14045407679131117,
        "roa_period_end": -0.13774988115285758,
        "roe_avg2y": -0.22287695877767058,
        "roe_period_end": -0.2367244077043437
      }
    },
    {
      "accn": "0001437749-21-013956",
      "filed": "2021-06-02",
      "fiscal_year": 2019,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 952000.0,
        "cash": 77483000.0,
        "cost_of_revenue": 42190000.0,
        "eps_diluted": 1.29,
        "free_cash_flow": 41762000.0,
        "gross_profit": 14017000.0,
        "net_income": 26761000.0,
        "operating_cash_flow": 42714000.0,
        "operating_income": 34023000.0,
        "revenue": 56207000.0,
        "stockholders_equity": 81193000.0,
        "total_assets": 119330000.0,
        "total_liabilities": 38137000.0
      },
      "period_end": "2019-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "revenue_growth_yoy": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.24938174960414183,
        "leverage": 0.46970797975194906,
        "net_margin": 0.47611507463483194,
        "operating_margin": 0.6053160638354653,
        "revenue_growth_yoy": 0.16122967584653844,
        "roa_avg2y": 0.2579311341895376,
        "roa_period_end": 0.22426045420263135,
        "roe_avg2y": 0.40114823642277886,
        "roe_period_end": 0.3295973790844038
      }
    },
    {
      "accn": "0001437749-20-012276",
      "filed": "2020-06-02",
      "fiscal_year": 2018,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "cost_of_revenue": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "revenue": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 2534000.0,
        "cash": 34084000.0,
        "cost_of_revenue": 44608000.0,
        "eps_diluted": -1.73,
        "free_cash_flow": -27361000.0,
        "gross_profit": 3795000.0,
        "net_income": -32776000.0,
        "operating_cash_flow": -24827000.0,
        "operating_income": -32157000.0,
        "revenue": 48403000.0,
        "stockholders_equity": 52229000.0,
        "total_assets": 88175000.0,
        "total_liabilities": 35946000.0
      },
      "period_end": "2018-03-31",
      "ratio_units": {
        "gross_margin": "ratio",
        "leverage": "ratio",
        "net_margin": "ratio",
        "operating_margin": "ratio",
        "roa_avg2y": "ratio",
        "roa_period_end": "ratio",
        "roe_avg2y": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "gross_margin": 0.07840423114269776,
        "leverage": 0.6882383350246032,
        "net_margin": -0.6771481106542983,
        "operating_margin": -0.6643596471293101,
        "roa_avg2y": -0.3479054660092666,
        "roa_period_end": -0.3717153388148568,
        "roe_avg2y": -0.5829176114890401,
        "roe_period_end": -0.6275440847039001
      }
    },
    {
      "accn": "0001628280-18-007644",
      "filed": "2019-06-05",
      "fiscal_year": 2017,
      "form": "10-K",
      "fundamental_units": {
        "capex": "USD",
        "cash": "USD",
        "eps_diluted": "USD/shares",
        "free_cash_flow": "USD",
        "gross_profit": "USD",
        "net_income": "USD",
        "operating_cash_flow": "USD",
        "operating_income": "USD",
        "stockholders_equity": "USD",
        "total_assets": "USD",
        "total_liabilities": "USD"
      },
      "fundamentals": {
        "capex": 656000.0,
        "cash": 26784000.0,
        "eps_diluted": -1.98,
        "free_cash_flow": -11871000.0,
        "gross_profit": 10843000.0,
        "net_income": -27373000.0,
        "operating_cash_flow": -11215000.0,
        "operating_income": -27542000.0,
        "stockholders_equity": 60226000.0,
        "total_assets": 100244000.0,
        "total_liabilities": 40018000.0
      },
      "period_end": "2017-03-31",
      "ratio_units": {
        "leverage": "ratio",
        "roa_period_end": "ratio",
        "roe_period_end": "ratio"
      },
      "ratios": {
        "leverage": 0.6644638528210407,
        "roa_period_end": -0.27306372451219024,
        "roe_period_end": -0.45450469896722345
      }
    },
    {
      "accn": "0001628280-18-007644",
      "filed": "2018-06-06",
      "fiscal_year": 2016,
      "form": "10-K",
      "fundamental_units": {
        "gross_profit": "USD"
      },
      "fundamentals": {
        "gross_profit": 21982000.0
      },
      "period_end": "2016-03-31",
      "ratios": {}
    }
  ],
  "latest_filing": {
    "accn": "0001437749-26-018542",
    "filed": "2026-05-27",
    "form": "10-K"
  },
  "note": "Static grepcent export of verified SEC companyfacts-derived values. Monetary values are raw reported units from grepcent's resolved facts; no scaling and no FX conversion. Capex, dividends, and buybacks are reported as positive outflow magnitudes. ROE/ROA include both period-end basis (site-consistent) and average-of-two-years basis where the prior-year denominator exists.",
  "schema_version": "1",
  "sic": "3621",
  "sic_description": "Motors & Generators",
  "source_urls": {
    "sec_companyfacts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000880807.json",
    "sec_submissions": "https://data.sec.gov/submissions/CIK0000880807.json"
  },
  "ticker": "AMSC"
}
