$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

$amsc Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-K Financial Statement

#000143774924018602 Filed on May 29, 2024

Income Statement

Concept	2024 Q2	2024 Q1	2024
Revenue	$40.29M	$42.03M	$145.6M
YoY Change	33.17%	32.4%	37.42%
Cost Of Revenue	$28.07M	$31.60M	$110.4M
YoY Change	17.07%	13.13%	13.23%
Gross Profit	$12.23M	$10.43M	$35.28M
YoY Change	94.6%	173.56%	314.07%
Gross Profit Margin	30.34%	24.82%	24.23%
Selling, General & Admin	$8.898M	$7.952M	$31.60M
YoY Change	13.09%	20.19%	10.1%
% of Gross Profit	72.79%	76.23%	89.56%
Research & Development	$2.286M	$2.298M	$7.991M
YoY Change	23.37%	21.59%	-10.87%
% of Gross Profit	18.7%	22.03%	22.65%
Depreciation & Amortization	$600.0K	$1.134M	$2.300M
YoY Change	0.0%	-9.79%	-11.54%
% of Gross Profit	4.91%	10.87%	6.52%
Operating Expenses	$15.52M	$12.66M	$46.65M
YoY Change	33.59%	31.8%	12.33%
Operating Profit	-$3.291M	-$2.227M	-$11.37M
YoY Change	-38.29%	-61.54%	-65.56%
Interest Expense	$1.120M	$784.0K	$1.302M
YoY Change	543.68%	460.0%	416.67%
% of Operating Profit
Other Income/Expense, Net	-$160.0K	-$118.0K	-$736.0K
YoY Change	35.59%	18.0%	397.3%
Pretax Income	-$2.331M	-$1.561M	-$10.80M
YoY Change	-55.83%	-77.04%	-68.98%
Income Tax	$200.0K	$18.00K	$309.0K
% Of Pretax Income
Net Earnings	-$2.524M	-$11.11M	-$11.11M
YoY Change	-53.24%	61.73%	-68.29%
Net Earnings / Revenue	-6.26%	-26.44%	-7.63%
Basic Earnings Per Share	-$0.07	-$0.37	-$0.37
Diluted Earnings Per Share	-$0.07	-$0.37	-$0.37
COMMON SHARES
Basic Shares Outstanding	36.99M	30.74M	29.83M
Diluted Shares Outstanding	35.68M	29.83M	29.83M

Balance Sheet

Concept	2024 Q2	2024 Q1	2024
SHORT-TERM ASSETS
Cash & Short-Term Investments	$93.46M	$90.52M	$90.52M
YoY Change	324.7%	287.51%	287.51%
Cash & Equivalents	$93.46M	$90.52M	$90.52M
Short-Term Investments
Other Short-Term Assets	$10.89M	$7.763M	$7.763M
YoY Change	51.3%	-48.8%	-48.8%
Inventory	$45.15M	$41.86M	$41.86M
Prepaid Expenses
Receivables	$23.53M	$26.33M	$26.33M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$173.0M	$166.5M	$166.5M
YoY Change	69.31%	56.79%	56.79%
LONG-TERM ASSETS
Property, Plant & Equipment	$10.53M	$10.86M	$13.42M
YoY Change	-11.87%	-11.76%	-11.53%
Goodwill	$43.47M	$43.47M
YoY Change	0.0%	0.0%
Intangibles	$5.957M	$6.369M
YoY Change	-25.38%	-25.31%
Long-Term Investments		$0.00
YoY Change
Other Assets	$351.0K	$637.0K	$3.046M
YoY Change	-42.27%	20.64%	36.96%
Total Long-Term Assets	$67.12M	$66.30M	$66.30M
YoY Change	-1.93%	-4.44%	-4.44%
TOTAL ASSETS
Total Short-Term Assets	$173.0M	$166.5M	$166.5M
Total Long-Term Assets	$67.12M	$66.30M	$66.30M
Total Assets	$240.1M	$232.8M	$232.8M
YoY Change	40.74%	32.59%	32.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.754M	$4.476M	$4.476M
YoY Change	-65.49%	-67.88%	-67.88%
Accrued Expenses	$15.01M	$17.86M	$17.86M
YoY Change	-10.39%	18.96%	-6.96%
Deferred Revenue	$55.98M	$50.73M
YoY Change	10.08%	16.43%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$9.000K	$25.00K	$25.00K
YoY Change	-85.94%	-66.67%	-66.67%
Total Short-Term Liabilities	$86.18M	$78.81M	$78.81M
YoY Change	3.65%	-6.3%	-6.3%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change	-100.0%	-100.0%	-100.0%
Other Long-Term Liabilities	$27.00K	$27.00K	$9.092M
YoY Change	8.0%	3.85%	-3.26%
Total Long-Term Liabilities	$27.00K	$27.00K	$9.092M
YoY Change	-20.59%	-34.15%	-3.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$86.18M	$78.81M	$78.81M
Total Long-Term Liabilities	$27.00K	$27.00K	$9.092M
Total Liabilities	$96.80M	$88.20M	$88.20M
YoY Change	4.4%	-5.93%	-5.93%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.069B	-$1.067B
YoY Change	0.77%	1.06%
Common Stock	$1.215B	$1.213B
YoY Change	6.46%	6.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.765M	$3.639M
YoY Change	3.46%	0.0%
Treasury Stock Shares
Shareholders Equity	$143.3M	$144.6M	$144.6M
YoY Change
Total Liabilities & Shareholders Equity	$240.1M	$232.8M	$232.8M
YoY Change	40.74%	32.59%	32.59%

Cashflow Statement

Concept	2024 Q2	2024 Q1	2024
OPERATING ACTIVITIES
Net Income	-$2.524M	-$11.11M	-$11.11M
YoY Change	-53.24%	61.73%	-68.29%
Depreciation, Depletion And Amortization	$600.0K	$1.134M	$2.300M
YoY Change	0.0%	-9.79%	-11.54%
Cash From Operating Activities	-$3.400M	$2.235M	$2.100M
YoY Change	54.55%	-141.25%	-109.33%
INVESTING ACTIVITIES
Capital Expenditures	$265.0K	$299.0K	$934.0K
YoY Change	23.83%	12.41%	-24.43%
Acquisitions
YoY Change
Other Investing Activities	$245.0K	-$19.00K	$27.00K
YoY Change	210.13%	-78.16%	-90.39%
Cash From Investing Activities	-$20.00K	-$318.0K	-$961.0K
YoY Change	-93.17%	-9.92%	-36.65%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net			$65.00K
YoY Change			-10.96%
Cash From Financing Activities	-142.0K	65.35M	$65.44M
YoY Change	735.29%	71717.58%	40295.68%
NET CHANGE
Cash From Operating Activities	-$3.400M	2.235M	$2.100M
Cash From Investing Activities	-20.00K	-318.0K	-$961.0K
Cash From Financing Activities	-142.0K	65.35M	$65.44M
Net Change In Cash	-$3.400M	67.27M	$66.61M
YoY Change	33.18%	-1284.35%	-379.72%
FREE CASH FLOW
Cash From Operating Activities	-$3.400M	$2.235M	$2.100M
Capital Expenditures	$265.0K	$299.0K	$934.0K
Free Cash Flow	-$3.665M	$1.936M	$1.166M
YoY Change	51.82%	-134.06%	-104.91%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024	dei	Amendment Flag AmendmentFlag	false
CY2024	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
CY2024	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2024	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000
CY2023Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000
CY2024Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37343812
CY2023Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29937119
CY2024Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36946181
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	29539488
CY2024Q1	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	397631
CY2023Q1	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	397631
CY2024	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2024	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2024	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024Q1	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	usd
CY2024Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2024Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
CY2024Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
CY2023Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
CY2024Q1	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
CY2023Q1	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
CY2024Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
CY2023Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	600000	usd
CY2024	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2024	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	pure
CY2024	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024	dei	Document Type DocumentType	10-K
CY2024	dei	Document Annual Report DocumentAnnualReport	true
CY2024	dei	Document Period End Date DocumentPeriodEndDate	2024-03-31
CY2024	dei	Document Transition Report DocumentTransitionReport	false
CY2024	dei	Entity File Number EntityFileNumber	000-19672
CY2024	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2024	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2959321
CY2024	dei	Entity Address Address Line1 EntityAddressAddressLine1	114 East Main Street
CY2024	dei	Entity Address City Or Town EntityAddressCityOrTown	Ayer
CY2024	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2024	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01432
CY2024	dei	City Area Code CityAreaCode	978
CY2024	dei	Local Phone Number LocalPhoneNumber	842-3000
CY2024	dei	Security12b Title Security12bTitle	$0.01 par value per share
CY2024	dei	Trading Symbol TradingSymbol	AMSC
CY2024	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2024	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2024	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2024	dei	Entity Small Business EntitySmallBusiness	true
CY2024	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2024	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2024	dei	Entity Shell Company EntityShellCompany	false
CY2023Q3	dei	Entity Public Float EntityPublicFloat	219500000	usd
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	36994517
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	90522000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	23360000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	26325000	usd
CY2023Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	30665000	usd
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CY2023Q1	us-gaap	Inventory Net InventoryNet	36986000	usd
CY2024Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7295000	usd
CY2023Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	13429000	usd
CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	468000	usd
CY2023Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1733000	usd
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CY2023Q1	us-gaap	Assets Current AssetsCurrent	106173000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10861000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12309000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6369000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8527000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2557000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2857000	usd
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CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1290000	usd
CY2023Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	582000	usd
CY2024Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1119000	usd
CY2023Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1114000	usd
CY2024Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	637000	usd
CY2023Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	528000	usd
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CY2023Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	38383000	usd
CY2024Q1	amsc	Lease Liability Current LeaseLiabilityCurrent	716000	usd
CY2023Q1	amsc	Lease Liability Current LeaseLiabilityCurrent	808000	usd
CY2024Q1	us-gaap	Debt Current DebtCurrent	25000	usd
CY2023Q1	us-gaap	Debt Current DebtCurrent	75000	usd
CY2024Q1	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	3100000	usd
CY2023Q1	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	1270000	usd
CY2024Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	50732000	usd
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CY2024Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7097000	usd
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CY2024Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	300000	usd
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CY2024	us-gaap	Net Income Loss NetIncomeLoss	-11111000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-35041000	usd
CY2024	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.37
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.26
CY2024	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.37
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.26
CY2024	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29825000
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27848000
CY2024	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29825000
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27848000
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-11111000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-35041000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-1921000	usd
CY2024	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	11000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-59000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1862000	usd
CY2024	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-11100000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-33179000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	109389000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	235000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4729000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	623000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1862000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-35041000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	81797000	usd
CY2024	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	279000	usd
CY2024	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2024	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4652000	usd
CY2024	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	624000	usd
CY2024	amsc	Stock Issued During Period Value Contingent Consideration StockIssuedDuringPeriodValueContingentConsideration	3092000	usd
CY2024	amsc	Stock Issued During Period Value Equity Offering StockIssuedDuringPeriodValueEquityOffering	65227000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	11000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-11111000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	144571000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-11111000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-35041000	usd
CY2024	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4494000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	5361000	usd
CY2024	us-gaap	Share Based Compensation ShareBasedCompensation	4652000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	4729000	usd
CY2024	us-gaap	Inventory Write Down InventoryWriteDown	1970000	usd
CY2023	us-gaap	Inventory Write Down InventoryWriteDown	1467000	usd
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	65000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	24000	usd
CY2024	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	4922000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	70000	usd
CY2024	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-0	usd
CY2023	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-1921000	usd
CY2024	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-44000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-600000	usd
CY2024	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	2000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	226000	usd
CY2024	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4340000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10360000	usd
CY2024	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6841000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14796000	usd
CY2024	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-6313000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5757000	usd
CY2024	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-13825000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8660000	usd
CY2024	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	7117000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	20863000	usd
CY2024	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2138000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-22485000	usd
CY2024	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	934000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1236000	usd
CY2024	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	27000	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	281000	usd
CY2024	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-961000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1517000	usd
CY2024	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	65000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	73000	usd
CY2024	amsc	Proceeds From Equity Offerings ProceedsFromEquityOfferings	65227000	usd
CY2023	amsc	Proceeds From Equity Offerings ProceedsFromEquityOfferings	0	usd
CY2024	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	279000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	235000	usd
CY2024	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	65441000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	162000	usd
CY2024	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-13000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	29000	usd
CY2024	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	66605000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-23811000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	25675000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	49486000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	92280000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	25675000	usd
CY2024	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	286000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	350000	usd
CY2024	us-gaap	Stock Issued1 StockIssued1	3092000	usd
CY2023	us-gaap	Stock Issued1 StockIssued1	0	usd
CY2024	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	624000	usd
CY2023	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	623000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1066700000	usd
CY2024Q1	amsc	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	90500000	usd
CY2024	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2100000	usd
CY2024Q1	amsc	Shelf Registration Maximum Amount To Be Sold ShelfRegistrationMaximumAmountToBeSold	250000000	usd
CY2024	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated Period Percent RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent	0.05	pure
CY2024Q1	us-gaap	Restructuring And Related Cost Expected Cost1 RestructuringAndRelatedCostExpectedCost1	1000000	usd
CY2024	us-gaap	Payments For Restructuring PaymentsForRestructuring	1000000	usd
CY2024Q1	amsc	Restructuring And Related Cost Expected Annual Savings RestructuringAndRelatedCostExpectedAnnualSavings	5000000	usd
CY2024Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2000000	usd
CY2023Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	1500000	usd
CY2024	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	809949
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1421771
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	-11111000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-35041000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	31277000
CY2023Q1	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	29038000
CY2024Q1	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1452000
CY2023Q1	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1190000
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29825000
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27848000
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29825000
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27848000
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.37
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.26
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.37
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.26
CY2024	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-700000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-100000	usd
CY2024	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.80	pure
CY2023	amsc	Contract With Customer Loss Accrual Reduction ContractWithCustomerLossAccrualReduction	2700000	usd
CY2023Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	9958000	usd
CY2023Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	2136000	usd
CY2023Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	50760000	usd
CY2024	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	4411000	usd
CY2024	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-20392000	usd
CY2024	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	77685000	usd
CY2024	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-4021000	usd
CY2024	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	16572000	usd
CY2024	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-70529000	usd
CY2024	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	12000	usd
CY2024	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	-3000	usd
CY2024	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	-87000	usd
CY2024Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	6150000	usd
CY2024Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	2523000	usd
CY2024Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	57829000	usd
CY2022Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	6492000	usd
CY2022Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	858000	usd
CY2022Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	30034000	usd
CY2023	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	2476000	usd
CY2023	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-14373000	usd
CY2023	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	77489000	usd
CY2023	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-1189000	usd
CY2023	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	17839000	usd
CY2023	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-56643000	usd
CY2023	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	0	usd
CY2023	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	-9000	usd
CY2023	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	-120000	usd
CY2023Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	9958000	usd
CY2023Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	2136000	usd
CY2023Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	50760000	usd
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	139900000	usd
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	23700000	usd
CY2024Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	20175000	usd
CY2023Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	20707000	usd
CY2024Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	6150000	usd
CY2023Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	9958000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	26325000	usd
CY2023Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	30665000	usd
CY2024Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	20622000	usd
CY2023Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	16654000	usd
CY2024Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	14872000	usd
CY2023Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	15200000	usd
CY2024Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	3840000	usd
CY2023Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	2996000	usd
CY2024Q1	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	2523000	usd
CY2023Q1	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	2136000	usd
CY2024Q1	us-gaap	Inventory Net InventoryNet	41857000	usd
CY2023Q1	us-gaap	Inventory Net InventoryNet	36986000	usd
CY2024	us-gaap	Inventory Write Down InventoryWriteDown	2000000	usd
CY2023	us-gaap	Inventory Write Down InventoryWriteDown	1500000	usd
CY2022Q4	amsc	Employee Retention Credits Receivable EmployeeRetentionCreditsReceivable	3300000	usd
CY2024	amsc	Proceeds From Employee Retention Credit ProceedsFromEmployeeRetentionCredit	3000000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	59233000	usd
CY2023Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	58651000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	48372000	usd
CY2023Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	46342000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	10861000	usd
CY2023Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	12309000	usd
CY2024	us-gaap	Depreciation Depreciation	2300000	usd
CY2023	us-gaap	Depreciation Depreciation	2600000	usd
CY2024Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	18051000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11682000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6369000	usd
CY2023Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	18051000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	9524000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8527000	usd
CY2024	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2200000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2800000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1648000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1221000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1085000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	543000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	72000	usd
CY2024Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4569000	usd
CY2024Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	4476000	usd
CY2023Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	13935000	usd
CY2024Q1	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	539000	usd
CY2023Q1	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	2267000	usd
CY2024Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2366000	usd
CY2023Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2662000	usd
CY2024Q1	amsc	Accrued Contract Loss AccruedContractLoss	97000	usd
CY2023Q1	amsc	Accrued Contract Loss AccruedContractLoss	3464000	usd
CY2024Q1	us-gaap	Deposit Liability Current DepositLiabilityCurrent	2270000	usd
CY2023Q1	us-gaap	Deposit Liability Current DepositLiabilityCurrent	5653000	usd
CY2024Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	10326000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-11503000	usd
CY2023Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	5430000	usd
CY2024Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	346000	usd
CY2023Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	409000	usd
CY2024Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2363000	usd
CY2023Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2638000	usd
CY2024Q1	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	1452000	usd
CY2023Q1	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	1208000	usd
CY2024Q1	us-gaap	Restructuring Reserve RestructuringReserve	0	usd
CY2023Q1	us-gaap	Restructuring Reserve RestructuringReserve	717000	usd
CY2024Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	24235000	usd
CY2023Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	38383000	usd
CY2023Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2638000	usd
CY2022Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2066000	usd
CY2024	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	1751000	usd
CY2023	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	2276000	usd
CY2024	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2026000	usd
CY2023	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1704000	usd
CY2024Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2363000	usd
CY2023Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2638000	usd
CY2024Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	3100000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1200000	usd
CY2023Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	3500000	usd
CY2023Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2600000	usd
CY2023Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1300000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	900000	usd
CY2022Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1100000	usd
CY2022Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1400000	usd
CY2024	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	4900000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	100000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-33924000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	701000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-902000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	893000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	750000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	493000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	102000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10802000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-34826000	usd
CY2024	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	150000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	62000	usd
CY2024	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	94000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	129000	usd
CY2024	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	244000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	191000	usd
CY2024	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	56000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-54000	usd
CY2024	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	9000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	78000	usd
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	65000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	24000	usd
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	309000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	215000	usd
CY2024	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2024	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.07	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.02	pure
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.02	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0	pure
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.04	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0	pure
CY2024	amsc	Effective Income Tax Reconciliation Mark To Market Adjustment On Contingent Consideration Percentage EffectiveIncomeTaxReconciliationMarkToMarketAdjustmentOnContingentConsiderationPercentage	-0.10	pure
CY2023	amsc	Effective Income Tax Reconciliation Mark To Market Adjustment On Contingent Consideration Percentage EffectiveIncomeTaxReconciliationMarkToMarketAdjustmentOnContingentConsiderationPercentage	0	pure
CY2024	amsc	Effective Income Tax Rate Reconciliation True Up Of Net Operating Loss Percentage EffectiveIncomeTaxRateReconciliationTrueUpOfNetOperatingLossPercentage	-0.58	pure
CY2023	amsc	Effective Income Tax Rate Reconciliation True Up Of Net Operating Loss Percentage EffectiveIncomeTaxRateReconciliationTrueUpOfNetOperatingLossPercentage	0.34	pure
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.04	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.01	pure
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.60	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.09	pure
CY2024	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.03	pure
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.01	pure
CY2024Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	155714000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	163674000	usd
CY2024Q1	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	12790000	usd
CY2023Q1	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	13837000	usd
CY2024Q1	amsc	Deferred Tax Assets Capitalized Research And Development DeferredTaxAssetsCapitalizedResearchAndDevelopment	3514000	usd
CY2023Q1	amsc	Deferred Tax Assets Capitalized Research And Development DeferredTaxAssetsCapitalizedResearchAndDevelopment	2186000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	6522000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	5644000	usd
CY2024Q1	amsc	Deferred Tax Assets Fixed Assets And Intangible Assets DeferredTaxAssetsFixedAssetsAndIntangibleAssets	639000	usd
CY2023Q1	amsc	Deferred Tax Assets Fixed Assets And Intangible Assets DeferredTaxAssetsFixedAssetsAndIntangibleAssets	638000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1665000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1993000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	180844000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	187972000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	177112000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	183567000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3732000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	4405000	usd
CY2024Q1	amsc	Deferred Tax Liabilities Amortization DeferredTaxLiabilitiesAmortization	1492000	usd
CY2023Q1	amsc	Deferred Tax Liabilities Amortization DeferredTaxLiabilitiesAmortization	2011000	usd
CY2024Q1	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1421000	usd
CY2023Q1	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1523000	usd
CY2024Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2913000	usd
CY2023Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3534000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	819000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	871000	usd
CY2024Q1	amsc	Capitalized Research And Development Expenses CapitalizedResearchAndDevelopmentExpenses	18400000	usd
CY2024Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	177100000	usd
CY2024Q1	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	6500000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	183600000	usd
CY2024Q1	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	2200000	usd
CY2024Q1	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	300000	usd
CY2024Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	0	usd
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2557000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2857000	usd
CY2024Q1	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	2557000	usd
CY2023Q1	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	2858000	usd
CY2024Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	usd
CY2023Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1000	usd
CY2024Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	716000	usd
CY2023Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	807000	usd
CY2024Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2023Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1968000	usd
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2184000	usd
CY2024Q1	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	2684000	usd
CY2023Q1	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	2992000	usd
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y5M26D
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y11M12D
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0983	pure
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0646	pure
CY2024	us-gaap	Operating Lease Cost OperatingLeaseCost	1023000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	1026000	usd
CY2024	us-gaap	Variable Lease Cost VariableLeaseCost	158000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	156000	usd
CY2024	us-gaap	Short Term Lease Cost ShortTermLeaseCost	149000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	127000	usd
CY2024	us-gaap	Lease Cost LeaseCost	1330000	usd
CY2023	us-gaap	Lease Cost LeaseCost	1309000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	936000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	3174000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	490000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	2684000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4652000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4729000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4652000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4729000	usd
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	81205
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.92
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2024	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2024	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-0
CY2024	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	44999
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	24.95
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	36206
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.94
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y2M12D
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	238000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	25924
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.34
CY2024	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y4M24D
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	160000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	36107
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	6.94
CY2024	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y2M12D
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	237000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	20564
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.714	pure
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.031	pure
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y1M6D
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1477999
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	6.89
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	735175
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.57
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	735267
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	6.83
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	52253
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	7.31
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1425654
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	6.74
CY2024Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	19261000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	66221
CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1300000	usd
CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	500000	usd
CY2023Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	600000	usd
CY2023Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1700000	usd
CY2024	amsc	Defined Contribution Plan Company Contribution Percentage Match Common Stock DefinedContributionPlanCompanyContributionPercentageMatchCommonStock	0.50	pure
CY2024	amsc	Defined Contribution Plan Percentage Of First Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer	0.06	pure
CY2024	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	600000	usd
CY2023Q1	amsc	Restructuring And Related Cost Workforce To Be Reduced Percentage RestructuringAndRelatedCostWorkforceToBeReducedPercentage	0.05	pure
CY2024	amsc	Restructuring Recoveries RestructuringRecoveries	14000	usd
CY2022Q1	us-gaap	Restructuring Reserve RestructuringReserve	0	usd
CY2023	us-gaap	Payments For Restructuring PaymentsForRestructuring	331000	usd
CY2023Q1	us-gaap	Restructuring Reserve RestructuringReserve	717000	usd
CY2024	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	145639000	usd
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	105984000	usd
CY2024	us-gaap	Operating Income Loss OperatingIncomeLoss	-11368000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-33009000	usd
CY2024Q1	us-gaap	Assets Assets	232771000	usd
CY2023Q1	us-gaap	Assets Assets	175561000	usd
CY2024	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	4900000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4700000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	100000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4700000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	1000000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10861000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12309000	usd
CY2024	dei	Auditor Name AuditorName	RSM US LLP
CY2024	dei	Auditor Location AuditorLocation	Boston, MA
CY2024	dei	Auditor Firm AuditorFirmId	49

Files In Submission

Name	View Source	Status
0001437749-24-018602-index-headers.html	Edgar Link	pending
0001437749-24-018602-index.html	Edgar Link	pending
0001437749-24-018602.txt	Edgar Link	pending
0001437749-24-018602-xbrl.zip	Edgar Link	pending
amsc-20240331.xsd	Edgar Link	pending
amsc20240331_10k.htm	Edgar Link	pending
ex_624257.htm	Edgar Link	pending
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ex_636962.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
graphnew.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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amsc-20240331_def.xml	Edgar Link	unprocessable
amsc-20240331_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
amsc20240331_10k_htm.xml	Edgar Link	completed
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
amsc-20240331_lab.xml	Edgar Link	unprocessable
amsc-20240331_cal.xml	Edgar Link	unprocessable

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$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2024 Q2 Form 10-K Financial Statement

#000143774924018602 Filed on May 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2024 Q2 Form 10-K Financial Statement

#000143774924018602 Filed on May 29, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc