$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

$amsc Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000143774924032618 Filed on October 30, 2024

Income Statement

Concept	2024 Q4	2024 Q3	2024 Q1
Revenue		$54.47M	$42.03M
YoY Change		60.19%	32.4%
Cost Of Revenue		$38.86M	$31.60M
YoY Change		52.88%	13.13%
Gross Profit		$15.61M	$10.43M
YoY Change		81.84%	173.56%
Gross Profit Margin		28.66%	24.82%
Selling, General & Admin		$10.53M	$7.952M
YoY Change		32.46%	20.19%
% of Gross Profit		67.41%	76.23%
Research & Development		$2.646M	$2.298M
YoY Change		61.24%	21.59%
% of Gross Profit		16.95%	22.03%
Depreciation & Amortization		$800.0K	$1.134M
YoY Change		33.33%	-9.79%
% of Gross Profit		5.12%	10.87%
Operating Expenses		$16.37M	$12.66M
YoY Change		49.39%	31.8%
Operating Profit		-$753.0K	-$2.227M
YoY Change		-68.21%	-61.54%
Interest Expense		$979.0K	$784.0K
YoY Change		404.64%	460.0%
% of Operating Profit
Other Income/Expense, Net		-$329.0K	-$118.0K
YoY Change		61.27%	18.0%
Pretax Income		-$103.0K	-$1.561M
YoY Change		-95.67%	-77.04%
Income Tax		-$4.990M	$18.00K
% Of Pretax Income
Net Earnings		$4.887M	-$11.11M
YoY Change		-296.66%	61.73%
Net Earnings / Revenue		8.97%	-26.44%
Basic Earnings Per Share		$0.13	-$0.37
Diluted Earnings Per Share		$0.13	-$0.37
COMMON SHARES
Basic Shares Outstanding	39.45M	38.30M	30.74M
Diluted Shares Outstanding		37.50M	29.83M

Balance Sheet

Concept	2024 Q3	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$72.13M	$90.52M
YoY Change	216.36%	287.51%
Cash & Equivalents	$72.13M	$90.52M
Short-Term Investments
Other Short-Term Assets	$12.01M	$7.763M
YoY Change	103.51%	-48.8%
Inventory	$70.88M	$41.86M
Prepaid Expenses
Receivables	$40.06M	$26.33M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$195.1M	$166.5M
YoY Change	87.38%	56.79%
LONG-TERM ASSETS
Property, Plant & Equipment	$38.77M	$10.86M
YoY Change	234.67%	-11.76%
Goodwill	$48.95M	$43.47M
YoY Change	12.6%	0.0%
Intangibles	$7.329M	$6.369M
YoY Change	-1.56%	-25.31%
Long-Term Investments	$1.245M	$0.00
YoY Change
Other Assets	$683.0K	$637.0K
YoY Change	28.87%	20.64%
Total Long-Term Assets	$103.4M	$66.30M
YoY Change	53.78%	-4.44%
TOTAL ASSETS
Total Short-Term Assets	$195.1M	$166.5M
Total Long-Term Assets	$103.4M	$66.30M
Total Assets	$298.4M	$232.8M
YoY Change	74.2%	32.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.831M	$4.476M
YoY Change	-66.37%	-67.88%
Accrued Expenses	$20.12M	$17.86M
YoY Change	19.77%	18.96%
Deferred Revenue	$69.36M	$50.73M
YoY Change	33.14%	16.43%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$25.00K
YoY Change	-100.0%	-66.67%
Total Short-Term Liabilities	$95.09M	$78.81M
YoY Change	11.52%	-6.3%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change		-100.0%
Other Long-Term Liabilities	$28.00K	$27.00K
YoY Change	12.0%	3.85%
Total Long-Term Liabilities	$28.00K	$27.00K
YoY Change	12.0%	-34.15%
TOTAL LIABILITIES
Total Short-Term Liabilities	$95.09M	$78.81M
Total Long-Term Liabilities	$28.00K	$27.00K
Total Liabilities	$111.4M	$88.20M
YoY Change	18.0%	-5.93%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.064B	-$1.067B
YoY Change	0.08%	1.06%
Common Stock	$1.254B	$1.213B
YoY Change	9.74%	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	$187.0M	$144.6M
YoY Change
Total Liabilities & Shareholders Equity	$298.4M	$232.8M
YoY Change	74.2%	32.59%

Cashflow Statement

Concept	2024 Q3	2024 Q1
OPERATING ACTIVITIES
Net Income	$4.887M	-$11.11M
YoY Change	-296.66%	61.73%
Depreciation, Depletion And Amortization	$800.0K	$1.134M
YoY Change	33.33%	-9.79%
Cash From Operating Activities	$12.71M	$2.235M
YoY Change	1312.44%	-141.25%
INVESTING ACTIVITIES
Capital Expenditures	$587.0K	$299.0K
YoY Change	166.82%	12.41%
Acquisitions
YoY Change
Other Investing Activities	-$32.88M	-$19.00K
YoY Change	-47074.29%	-78.16%
Cash From Investing Activities	-$33.47M	-$318.0K
YoY Change	22212.67%	-9.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	0.000	65.35M
YoY Change	-100.0%	71717.58%
NET CHANGE
Cash From Operating Activities	12.71M	2.235M
Cash From Investing Activities	-33.47M	-318.0K
Cash From Financing Activities	0.000	65.35M
Net Change In Cash	-20.76M	67.27M
YoY Change	-2485.86%	-1284.35%
FREE CASH FLOW
Cash From Operating Activities	$12.71M	$2.235M
Capital Expenditures	$587.0K	$299.0K
Free Cash Flow	$12.13M	$1.936M
YoY Change	1683.09%	-134.06%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	AMERICAN SUPERCONDUCTOR CORP /DE/
	dei	Entity Central Index Key EntityCentralIndexKey	0000880807
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2025
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1036206
CY2024Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
	amsc	Proceeds From Employee Retention Credit ProceedsFromEmployeeRetentionCredit	0	usd
CY2024Q3	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	usd
CY2024Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	pure
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-19672
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2959321
	dei	Entity Address Address Line1 EntityAddressAddressLine1	114 East Main St.
	dei	Entity Address City Or Town EntityAddressCityOrTown	Ayer
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01432
	dei	City Area Code CityAreaCode	978
	dei	Local Phone Number LocalPhoneNumber	842-3000
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
	dei	Trading Symbol TradingSymbol	AMSC
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39453215
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	72131000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	90522000	usd
CY2024Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	40059000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	26325000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	70880000	usd
CY2024Q1	us-gaap	Inventory Net InventoryNet	41857000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	10806000	usd
CY2024Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7295000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1201000	usd
CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	468000	usd
CY2024Q3	us-gaap	Assets Current AssetsCurrent	195077000	usd
CY2024Q1	us-gaap	Assets Current AssetsCurrent	166467000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	38765000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10861000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7329000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6369000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3744000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2557000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	48950000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	43471000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1454000	usd
CY2024Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1290000	usd
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1201000	usd
CY2024Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1119000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	1245000	usd
CY2024Q1	us-gaap	Equity Method Investments EquityMethodInvestments	0	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	683000	usd
CY2024Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	637000	usd
CY2024Q3	us-gaap	Assets Assets	298448000	usd
CY2024Q1	us-gaap	Assets Assets	232771000	usd
CY2024Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	25158000	usd
CY2024Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	24235000	usd
CY2024Q3	amsc	Lease Liability Current LeaseLiabilityCurrent	555000	usd
CY2024Q1	amsc	Lease Liability Current LeaseLiabilityCurrent	716000	usd
CY2024Q3	us-gaap	Debt Current DebtCurrent	0	usd
CY2024Q1	us-gaap	Debt Current DebtCurrent	25000	usd
CY2024Q3	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	0	usd
CY2024Q1	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	3100000	usd
CY2024Q3	amsc	Deferred Income Tax Liabilities Current DeferredIncomeTaxLiabilitiesCurrent	16000	usd
CY2024Q1	amsc	Deferred Income Tax Liabilities Current DeferredIncomeTaxLiabilitiesCurrent	0	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	69356000	usd
CY2024Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	50732000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	95085000	usd
CY2024Q1	us-gaap	Liabilities Current LiabilitiesCurrent	78808000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	11915000	usd
CY2024Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7097000	usd
CY2024Q3	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	2814000	usd
CY2024Q1	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	1968000	usd
CY2024Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1591000	usd
CY2024Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	300000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	28000	usd
CY2024Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	27000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	111433000	usd
CY2024Q1	us-gaap	Liabilities Liabilities	88200000	usd
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	398000	usd
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	373000	usd
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1253168000	usd
CY2024Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1212913000	usd
CY2024Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3765000	usd
CY2024Q1	us-gaap	Treasury Stock Value TreasuryStockValue	3639000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1509000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1582000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1064295000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1066658000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	187015000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	144571000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	298448000	usd
CY2024Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	232771000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	54471000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	34004000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	94761000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	64258000	usd
CY2024Q3	us-gaap	Cost Of Revenue CostOfRevenue	38858000	usd
CY2023Q3	us-gaap	Cost Of Revenue CostOfRevenue	25418000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	66923000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	49390000	usd
CY2024Q3	us-gaap	Gross Profit GrossProfit	15613000	usd
CY2023Q3	us-gaap	Gross Profit GrossProfit	8586000	usd
	us-gaap	Gross Profit GrossProfit	27838000	usd
	us-gaap	Gross Profit GrossProfit	14868000	usd
CY2024Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2646000	usd
CY2023Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1641000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	4931000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3493000	usd
CY2024Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	10525000	usd
CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7946000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	19423000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	15815000	usd
CY2024Q3	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	433000	usd
CY2023Q3	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	538000	usd
	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	845000	usd
	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	1076000	usd
CY2024Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2762000	usd
CY2023Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	850000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	6682000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2200000	usd
CY2024Q3	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2023Q3	us-gaap	Restructuring Charges RestructuringCharges	-20000	usd
	us-gaap	Restructuring Charges RestructuringCharges	0	usd
	us-gaap	Restructuring Charges RestructuringCharges	-14000	usd
CY2024Q3	us-gaap	Operating Expenses OperatingExpenses	16366000	usd
CY2023Q3	us-gaap	Operating Expenses OperatingExpenses	10955000	usd
	us-gaap	Operating Expenses OperatingExpenses	31881000	usd
	us-gaap	Operating Expenses OperatingExpenses	22570000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-753000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-2369000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-4043000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-7702000	usd
CY2024Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	979000	usd
CY2023Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	194000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	2099000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	368000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-329000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-204000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-489000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-321000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-103000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2379000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2433000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7655000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4990000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	106000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4796000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	228000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4887000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-2485000	usd
	us-gaap	Net Income Loss NetIncomeLoss	2363000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-7883000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.13
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.28
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.28
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36952000
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28828000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36317000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28545000
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37499000
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28828000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36951000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28545000
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4887000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-2485000	usd
	us-gaap	Net Income Loss NetIncomeLoss	2363000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-7883000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-88000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	64000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-73000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	62000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-88000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	64000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-73000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	62000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4799000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2421000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2290000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-7821000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	144571000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1229000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	179000	usd
CY2024Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	126000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	15000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-2524000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	143344000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	157000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	843000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	166000	usd
CY2024Q3	amsc	Stock Issued During Period Value Contingent Consideration StockIssuedDuringPeriodValueContingentConsideration	6504000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-88000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4887000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	187015000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	81797000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1357000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	164000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-5398000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	77918000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	136000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1111000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	150000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	64000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-2485000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	76894000	usd
	us-gaap	Net Income Loss NetIncomeLoss	2363000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-7883000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2395000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2234000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	2072000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	2468000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	780000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1070000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	546000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	122000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5165000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	6682000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2200000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	15000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-273000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2538000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3152000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6672000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	11935000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2082000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-8015000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-1048000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-123000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-4455000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-9399000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	18182000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	8458000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16121000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1348000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	852000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	430000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-218000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	10000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-33489000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-440000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	126000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	25000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	33000	usd
	amsc	Payments For Registration Of Common Stock Shares PaymentsForRegistrationOfCommonStockShares	148000	usd
	amsc	Payments For Registration Of Common Stock Shares PaymentsForRegistrationOfCommonStockShares	-0	usd
	amsc	Proceeds From Stock Options And Stock Plan Exercised ProceedsFromStockOptionsAndStockPlanExercised	157000	usd
	amsc	Proceeds From Stock Options And Stock Plan Exercised ProceedsFromStockOptionsAndStockPlanExercised	136000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-142000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	103000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	16000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-10000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-17494000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1695000	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
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	74786000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	23980000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	248000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	171000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	242000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1064300000	usd
CY2024Q3	amsc	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	72100000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16100000	usd
CY2024Q1	amsc	Shelf Registration Maximum Amount To Be Sold ShelfRegistrationMaximumAmountToBeSold	250000000	usd
CY2024Q3	amsc	Shelf Registration Amount Available For Future Offerings ShelfRegistrationAmountAvailableForFutureOfferings	250000000	usd
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2024Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	58722000	usd
CY2023Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	50929000	usd
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	118032000	usd
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	99915000	usd
CY2024Q3	amsc	Business Acquisition Pro Forma Operating Income Loss BusinessAcquisitionProFormaOperatingIncomeLoss	81000	usd
CY2023Q3	amsc	Business Acquisition Pro Forma Operating Income Loss BusinessAcquisitionProFormaOperatingIncomeLoss	-1783000	usd
	amsc	Business Acquisition Pro Forma Operating Income Loss BusinessAcquisitionProFormaOperatingIncomeLoss	-4079000	usd
	amsc	Business Acquisition Pro Forma Operating Income Loss BusinessAcquisitionProFormaOperatingIncomeLoss	-7193000	usd
CY2024Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	635000	usd
CY2023Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-311000	usd
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-2748000	usd
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-633000	usd
CY2024Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.02
CY2023Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.01
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.07
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.02
CY2024Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.02
CY2023Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.01
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.07
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.02
CY2024Q3	amsc	Business Acquisition Pro Forma Shares Basic BusinessAcquisitionProFormaSharesBasic	37404000
CY2023Q3	amsc	Business Acquisition Pro Forma Shares Basic BusinessAcquisitionProFormaSharesBasic	30126000
	amsc	Business Acquisition Pro Forma Shares Basic BusinessAcquisitionProFormaSharesBasic	37189000
	amsc	Business Acquisition Pro Forma Shares Basic BusinessAcquisitionProFormaSharesBasic	29843000
CY2024Q3	amsc	Business Acquisition Pro Forma Shares Diluted BusinessAcquisitionProFormaSharesDiluted	37950000
CY2023Q3	amsc	Business Acquisition Pro Forma Shares Diluted BusinessAcquisitionProFormaSharesDiluted	30126000
	amsc	Business Acquisition Pro Forma Shares Diluted BusinessAcquisitionProFormaSharesDiluted	37189000
	amsc	Business Acquisition Pro Forma Shares Diluted BusinessAcquisitionProFormaSharesDiluted	29843000
CY2024Q3	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.90	pure
	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.89	pure
CY2023Q3	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.79	pure
	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.78	pure
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
	amsc	Contract With Customer Asset Unbilled Ar Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerAssetUnbilledArIncreaseDecreaseForContractAcquiredInBusinessCombination	0	usd
	amsc	Contract With Customer Asset Deferred Program Costs Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerAssetDeferredProgramCostsIncreaseDecreaseForContractAcquiredInBusinessCombination	0	usd
	us-gaap	Contract With Customer Liability Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination	5049000	usd
	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	4866000	usd
	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-6241000	usd
	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	70133000	usd
	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-2553000	usd
	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	4607000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-52084000	usd
	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	7000	usd
	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	12000	usd
	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	344000	usd
CY2024Q3	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	4523000	usd
CY2024Q3	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	4848000	usd
CY2024Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	81271000	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
	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	2110000	usd
	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-13981000	usd
	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	34284000	usd
	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-2160000	usd
	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	10351000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-25710000	usd
	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	7000	usd
	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	-11000	usd
	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	-288000	usd
CY2023Q3	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	6335000	usd
CY2023Q3	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	2075000	usd
CY2023Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	59046000	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	205000000	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	102300000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	843000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1111000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2072000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2468000	usd
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	535001
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	479341
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1036206
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4887000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-2485000	usd
	us-gaap	Net Income Loss NetIncomeLoss	2363000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-7883000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	37931000
CY2023Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	30283000
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	37463000
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	29996000
CY2024Q3	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	979000
CY2023Q3	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1455000
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1146000
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1451000
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36952000
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28828000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36317000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28545000
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37499000
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28828000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36951000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28545000
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.13
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.28
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.28
CY2024Q1	us-gaap	Goodwill Goodwill	43471000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	48950000	usd
CY2024Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	20031000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12702000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7329000	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
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1413000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1349000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1213000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	671000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	201000	usd
CY2024Q3	amsc	Finitelived Intangible Asset Expected Amortization After Year Four FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour	682000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5529000	usd
CY2024Q3	us-gaap	Billed Contract Receivables BilledContractReceivables	35536000	usd
CY2024Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	20175000	usd
CY2024Q3	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	4523000	usd
CY2024Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	6150000	usd
CY2024Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	40059000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	26325000	usd
CY2024Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	37336000	usd
CY2024Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	20622000	usd
CY2024Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	23819000	usd
CY2024Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	14872000	usd
CY2024Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	4877000	usd
CY2024Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	3840000	usd
CY2024Q3	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	4848000	usd
CY2024Q1	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	2523000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	70880000	usd
CY2024Q1	us-gaap	Inventory Net InventoryNet	41857000	usd
CY2024Q3	us-gaap	Inventory Write Down InventoryWriteDown	300000	usd
CY2023Q3	us-gaap	Inventory Write Down InventoryWriteDown	700000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	800000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1100000	usd
CY2022Q4	amsc	Employee Retention Credits Receivable EmployeeRetentionCreditsReceivable	3300000	usd
CY2024	amsc	Proceeds From Employee Retention Credit ProceedsFromEmployeeRetentionCredit	3000000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	88160000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	59233000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	49395000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	48372000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	38765000	usd
CY2024Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	10861000	usd
CY2024Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	800000	usd
CY2023Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	600000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1400000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1200000	usd
CY2024Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	3831000	usd
CY2024Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	4476000	usd
CY2024Q3	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	2587000	usd
CY2024Q1	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	539000	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	3983000	usd
CY2024Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2366000	usd
CY2024Q3	amsc	Accrued Contract Loss AccruedContractLoss	97000	usd
CY2024Q1	amsc	Accrued Contract Loss AccruedContractLoss	97000	usd
CY2024Q3	us-gaap	Deposit Liability Current DepositLiabilityCurrent	1540000	usd
CY2024Q1	us-gaap	Deposit Liability Current DepositLiabilityCurrent	2270000	usd
CY2024Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	8293000	usd
CY2024Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	10326000	usd
CY2024Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	220000	usd
CY2024Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	346000	usd
CY2024Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	3110000	usd
CY2024Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2363000	usd
CY2024Q3	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	1497000	usd
CY2024Q1	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	1452000	usd
CY2024Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	25158000	usd
CY2024Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	24235000	usd
CY2024Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2542000	usd
CY2023Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1926000	usd
CY2024Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2363000	usd
CY2023Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2638000	usd
CY2024Q3	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	637000	usd
CY2023Q3	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	usd
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	637000	usd
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	usd
CY2024Q3	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	298000	usd
CY2023Q3	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	644000	usd
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	774000	usd
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	852000	usd
CY2024Q3	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	367000	usd
CY2023Q3	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	678000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	664000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1598000	usd
CY2024Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	3110000	usd
CY2023Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1892000	usd
CY2024Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	3110000	usd
CY2023Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1892000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4800000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	200000	usd
CY2024Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	6400000	usd
CY2024Q3	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	5200000	usd
CY2024Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	7000000	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
CY2024Q3	amsc	Gain Loss In Change Of Fair Value Of Contingent Consideration GainLossInChangeOfFairValueOfContingentConsideration	500000	usd
	amsc	Gain Loss In Change Of Fair Value Of Contingent Consideration GainLossInChangeOfFairValueOfContingentConsideration	-3400000	usd
CY2023Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	900000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2200000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3744000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2557000	usd
CY2024Q3	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	3744000	usd
CY2024Q1	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	2557000	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	555000	usd
CY2024Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	716000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2814000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1968000	usd
CY2024Q3	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	3369000	usd
CY2024Q1	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	2684000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M29D
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y5M26D
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.1484	pure
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0983	pure
CY2024Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	336000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	645000	usd
CY2024Q3	us-gaap	Variable Lease Cost VariableLeaseCost	45000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	91000	usd
CY2024Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	39000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	78000	usd
CY2024Q3	us-gaap	Lease Cost LeaseCost	420000	usd
	us-gaap	Lease Cost LeaseCost	814000	usd
CY2023Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	255000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	514000	usd
CY2023Q3	us-gaap	Variable Lease Cost VariableLeaseCost	40000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	79000	usd
CY2023Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	37000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	74000	usd
CY2023Q3	us-gaap	Lease Cost LeaseCost	332000	usd
	us-gaap	Lease Cost LeaseCost	667000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	321000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1113000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1164000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	805000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	385000	usd
CY2024Q3	amsc	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	1497000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5285000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1916000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	3369000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1500000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1200000	usd
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
CY2024Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	54471000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	34004000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	94761000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	64258000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-753000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-2369000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-4043000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-7702000	usd
CY2024Q3	us-gaap	Assets Assets	298448000	usd
CY2024Q1	us-gaap	Assets Assets	232771000	usd

Files In Submission

Name	View Source	Status
0001437749-24-032618-index-headers.html	Edgar Link	pending
0001437749-24-032618-index.html	Edgar Link	pending
0001437749-24-032618.txt	Edgar Link	pending
0001437749-24-032618-xbrl.zip	Edgar Link	pending
amsc-20240930.xsd	Edgar Link	pending
amsc20240930_10q.htm	Edgar Link	pending
ex_715887.htm	Edgar Link	pending
ex_715888.htm	Edgar Link	pending
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ex_715890.htm	Edgar Link	pending
amsc-20240930_def.xml	Edgar Link	unprocessable
amsc-20240930_lab.xml	Edgar Link	unprocessable
amsc-20240930_pre.xml	Edgar Link	unprocessable
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Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
amsc-20240930_cal.xml	Edgar Link	unprocessable

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$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2024 Q4 Form 10-Q Financial Statement

#000143774924032618 Filed on October 30, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2024 Q4 Form 10-Q Financial Statement

#000143774924032618 Filed on October 30, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc