$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

$amsc Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000143774922002208 Filed on February 02, 2022

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q4
Revenue	$26.80M	$27.91M	$23.63M
YoY Change	13.4%	32.16%	505.95%
Cost Of Revenue	$23.23M	$24.65M	$19.68M
YoY Change	18.05%	58.03%	20.5%
Gross Profit	$3.572M	$3.261M	$3.956M
YoY Change	-9.71%	-40.93%	149.43%
Gross Profit Margin	13.33%	11.68%	16.74%
Selling, General & Admin	$6.777M	$6.697M	$7.085M
YoY Change	-4.35%	13.76%	16.7%
% of Gross Profit	189.73%	205.37%	179.1%
Research & Development	$2.657M	$2.669M	$3.029M
YoY Change	-12.28%	-1.84%	47.83%
% of Gross Profit	74.38%	81.85%	76.57%
Depreciation & Amortization	$700.0K	$700.0K	$1.200M
YoY Change	-41.67%	-22.22%	20.0%
% of Gross Profit	19.6%	21.47%	30.33%
Operating Expenses	$7.952M	$7.563M	$13.21M
YoY Change	-39.82%	-13.34%	61.05%
Operating Profit	-$4.380M	-$4.302M	-$9.258M
YoY Change	-52.69%	34.19%	39.87%
Interest Expense	$12.00K	$25.00K	$53.00K
YoY Change	-77.36%	-84.47%	-79.77%
% of Operating Profit
Other Income/Expense, Net	$45.00K	$24.00K	-$274.0K
YoY Change	-116.42%	-105.04%	-70.6%
Pretax Income	-$4.323M	-$4.253M	-$9.479M
YoY Change	-54.39%	20.79%	40.78%
Income Tax	$1.000K	$200.0K	-$1.500M
% Of Pretax Income
Net Earnings	-$4.324M	-$4.434M	-$7.933M
YoY Change	-45.49%	19.45%	15.89%
Net Earnings / Revenue	-16.13%	-15.89%	-33.57%
Basic Earnings Per Share	-$0.16	-$0.16	-$0.31
Diluted Earnings Per Share	-$0.16	-$0.16	-$0.31
COMMON SHARES
Basic Shares Outstanding	27.35K	27.25M	25.47K
Diluted Shares Outstanding	27.35K	27.25M	25.47K

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$43.89M	$48.50M	$78.10M
YoY Change	-43.81%	-5.64%	54.65%
Cash & Equivalents	$43.89M	$48.50M	$67.91M
Short-Term Investments	$0.00	$0.00	$10.20M
Other Short-Term Assets	$9.055M	$7.247M	$5.200M
YoY Change	74.13%	81.18%	40.54%
Inventory	$20.94M	$21.57M	$14.18M
Prepaid Expenses
Receivables	$21.05M	$25.18M	$12.08M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$94.93M	$102.5M	$109.7M
YoY Change	-13.44%	18.62%	22.86%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.12M	$14.61M	$9.547M
YoY Change	47.88%	79.5%	8.0%
Goodwill	$43.47M	$43.47M	$34.66M
YoY Change	25.42%	2428.85%	1916.23%
Intangibles	$11.96M	$12.65M	$9.964M
YoY Change	19.98%	282.14%	278.14%
Long-Term Investments			$0.00
YoY Change			-100.0%
Other Assets	$363.0K	$340.0K	$411.0K
YoY Change	-11.68%	2.1%	13.85%
Total Long-Term Assets	$80.36M	$81.87M	$65.38M
YoY Change	22.92%	229.86%	91.03%
TOTAL ASSETS
Total Short-Term Assets	$94.93M	$102.5M	$109.7M
Total Long-Term Assets	$80.36M	$81.87M	$65.38M
Total Assets	$175.3M	$184.4M	$175.0M
YoY Change	0.14%	65.76%	41.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.44M	$14.92M	$3.664M
YoY Change	184.88%	94.91%	-50.14%
Accrued Expenses	$11.83M	$11.55M	$11.90M
YoY Change	-0.56%	19.09%	17.82%
Deferred Revenue	$24.11M	$23.87M	$15.68M
YoY Change	53.75%	76.21%	3.04%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$77.00K	$77.00K
YoY Change
Total Short-Term Liabilities	$51.83M	$57.26M	$40.01M
YoY Change	29.54%	75.72%	14.2%
LONG-TERM LIABILITIES
Long-Term Debt	$113.0K	$125.0K	$0.00
YoY Change
Other Long-Term Liabilities	$24.00K	$23.00K	$26.00K
YoY Change	-7.69%	-25.81%	-38.1%
Total Long-Term Liabilities	$137.0K	$148.0K	$26.00K
YoY Change	426.92%	377.42%	-38.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$51.83M	$57.26M	$40.01M
Total Long-Term Liabilities	$137.0K	$148.0K	$26.00K
Total Liabilities	$62.26M	$68.27M	$52.13M
YoY Change	19.44%	52.36%	12.58%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.015B	-$1.011B	-$993.7M
YoY Change	2.14%	2.57%	2.15%
Common Stock	$1.132B	$1.131B	$1.121B
YoY Change	1.06%	7.14%	6.44%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.639M	$3.639M	$3.593M
YoY Change	1.28%	9.08%	34.77%
Treasury Stock Shares
Shareholders Equity	$113.0M	$116.1M	$122.9M
YoY Change
Total Liabilities & Shareholders Equity	$175.3M	$184.4M	$175.0M
YoY Change	0.14%	65.76%	41.75%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q4
OPERATING ACTIVITIES
Net Income	-$4.324M	-$4.434M	-$7.933M
YoY Change	-45.49%	19.45%	15.89%
Depreciation, Depletion And Amortization	$700.0K	$700.0K	$1.200M
YoY Change	-41.67%	-22.22%	20.0%
Cash From Operating Activities	-$4.191M	-$5.905M	$1.680M
YoY Change	-349.46%	72.16%	-123.05%
INVESTING ACTIVITIES
Capital Expenditures	-$200.0K	-$286.0K	-$240.0K
YoY Change	-16.67%	-58.55%	-79.83%
Acquisitions
YoY Change
Other Investing Activities	-$26.00K	$5.164M	-$26.07M
YoY Change	-99.9%	-79.29%	4.16%
Cash From Investing Activities	-$226.0K	$4.878M	-$26.31M
YoY Change	-99.14%	-79.88%	0.34%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-12.00K	107.0K	51.22M
YoY Change	-100.02%	-156.32%	742.43%
NET CHANGE
Cash From Operating Activities	-4.191M	-5.905M	1.680M
Cash From Investing Activities	-226.0K	4.878M	-26.31M
Cash From Financing Activities	-12.00K	107.0K	51.22M
Net Change In Cash	-4.429M	-920.0K	26.59M
YoY Change	-116.66%	-104.46%	-196.94%
FREE CASH FLOW
Cash From Operating Activities	-$4.191M	-$5.905M	$1.680M
Capital Expenditures	-$200.0K	-$286.0K	-$240.0K
Free Cash Flow	-$3.991M	-$5.619M	$1.920M
YoY Change	-307.86%	105.07%	-131.48%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	5140000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	28457749
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	26799000	USD
CY2020Q4	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	26528000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	82957000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	91387000	USD
CY2021Q4	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-4390000	USD
CY2020Q4	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-12509000	USD
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-15521000	USD
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-21100000	USD
CY2021Q4	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-4333000	USD
CY2020Q4	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-13137000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-16142000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-16883000	USD
CY2021Q4	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.16
CY2020Q4	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.51
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.59
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.71
CY2021Q4	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.16
CY2020Q4	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.51
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.59
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.71
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021Q4	us-gaap	Inventory Write Down InventoryWriteDown	400000	USD
CY2020Q4	us-gaap	Inventory Write Down InventoryWriteDown	400000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1600000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1600000	USD
CY2021Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1000.0	USD
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43887000	USD
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	67814000	USD
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	0	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	21049000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	13267000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	20942000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	13306000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6404000	USD
CY2021Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3546000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2651000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2157000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	94933000	USD
CY2021Q1	us-gaap	Assets Current AssetsCurrent	105230000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14118000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8997000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	11955000	USD
CY2021Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9153000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3408000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3747000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	43471000	USD
CY2021Q1	us-gaap	Goodwill Goodwill	34634000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	6018000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5568000	USD
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1030000	USD
CY2021Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1223000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	363000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	314000	USD
CY2021Q4	us-gaap	Assets Assets	175296000	USD
CY2021Q1	us-gaap	Assets Assets	168866000	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	24332000	USD
CY2021Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	19810000	USD
CY2021Q4	amsc	Lease Liability Current LeaseLiabilityCurrent	701000	USD
CY2021Q1	amsc	Lease Liability Current LeaseLiabilityCurrent	612000	USD
CY2021Q4	us-gaap	Debt Current DebtCurrent	72000	USD
CY2021Q1	us-gaap	Debt Current DebtCurrent	0	USD
CY2021Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	2610000	USD
CY2021Q1	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	7050000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	24112000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	13266000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	51827000	USD
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	40738000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7366000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7991000	USD
CY2021Q4	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	2842000	USD
CY2021Q1	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	3246000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	89000	USD
CY2021Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	274000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	113000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	0	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	24000	USD
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	25000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	62261000	USD
CY2021Q1	us-gaap	Liabilities Liabilities	52274000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	289000	USD
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	280000	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1132155000	USD
CY2021Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1121495000	USD
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3639000	USD
CY2021Q1	us-gaap	Treasury Stock Value TreasuryStockValue	3593000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-296000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-277000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1015474000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1001313000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	113035000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	116592000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	175296000	USD
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	168866000	USD
CY2021Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	26799000	USD
CY2020Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23632000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	80126000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	65961000	USD
CY2021Q4	us-gaap	Cost Of Revenue CostOfRevenue	23227000	USD
CY2020Q4	us-gaap	Cost Of Revenue CostOfRevenue	19676000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	69925000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	51444000	USD
CY2021Q4	us-gaap	Gross Profit GrossProfit	3572000	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	3956000	USD
	us-gaap	Gross Profit GrossProfit	10201000	USD
	us-gaap	Gross Profit GrossProfit	14517000	USD
CY2021Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2657000	USD
CY2020Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3029000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	8368000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	8248000	USD
CY2021Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	6777000	USD
CY2020Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7085000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	20615000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	18609000	USD
CY2021Q4	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	628000	USD
CY2020Q4	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	360000	USD
	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	1840000	USD
	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	601000	USD
CY2021Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-2110000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2740000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-4440000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2740000	USD
CY2021Q4	us-gaap	Operating Expenses OperatingExpenses	7952000	USD
CY2020Q4	us-gaap	Operating Expenses OperatingExpenses	13214000	USD
	us-gaap	Operating Expenses OperatingExpenses	26383000	USD
	us-gaap	Operating Expenses OperatingExpenses	30198000	USD
CY2021Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-4380000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-9258000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-16182000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-15681000	USD
CY2021Q4	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	12000	USD
CY2020Q4	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	53000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	68000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	373000	USD
CY2021Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	45000	USD
CY2020Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-274000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-920000	USD
CY2021Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-4323000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-9479000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16107000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16228000	USD
CY2021Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1546000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1946000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-15062000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1166000	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-4324000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-7933000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-14161000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-15062000	USD
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.31
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.52
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.52
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
CY2021Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27352
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25470
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27145
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23011
CY2021Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27352
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25470
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27145
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23011
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-4324000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-7933000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-14161000	USD
CY2021Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	20000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-143000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-19000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-189000	USD
CY2021Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-143000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-19000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-189000	USD
CY2021Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-4304000	USD
CY2020Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-8076000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-14180000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-15251000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	116592000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1292000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	112000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	4387000	USD
CY2021Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	46000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-63000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-5403000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	118553000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	125000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	598000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1101000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	137000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	24000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-4434000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	116104000	USD
CY2021Q4	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1120000	USD
CY2021Q4	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	115000	USD
CY2021Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	20000	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-4324000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	113035000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	72219000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	909000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-15062000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1627000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1610000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2136000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4009000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3811000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3513000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2597000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1828000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-4440000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2740000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-49000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-48000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-407000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-291000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	88000	USD
CY2020Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	377000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	69419000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	99000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	849000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	101000	USD
CY2020Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	293000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-43000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-3712000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	66420000	USD
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	839000	USD
CY2020Q4	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	82000	USD
CY2020Q4	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	51477000	USD
CY2020Q4	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	12433000	USD
CY2020Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	257000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-143000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-7933000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	122918000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-14161000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	118000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-366000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4528000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-6376000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	279000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-7419000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-85000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-6000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-236000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-7894000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	381000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-5255000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-15925000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-4871000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	710000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1574000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	25006000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	11479000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	26000000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	5189000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	2643000	USD
	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	271000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	43278000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	75539000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	30864000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	52556000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1015000000	USD
CY2021Q4	amsc	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	43900000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-15900000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	74142000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	445000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	630000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	56000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-7056000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2573000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	46000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	927000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	30000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	-0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	51477000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	125000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	99000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	49000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	50649000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-51000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	73000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-22983000	USD
	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	12186000	USD
	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-11214000	USD
	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	55354000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-4128000	USD
CY2021Q4	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	27351
CY2020Q4	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	25772
	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	27185
	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	23898
CY2021Q4	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	27351
CY2020Q4	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	25772
	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	27185
	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	23898
CY2021Q4	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.79	pure
	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.76	pure
CY2020Q4	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.78	pure
	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.79	pure
CY2021Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	5765000	USD
CY2021Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	977000	USD
CY2021Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	21257000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	3140000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Increase For Balances Acquired ContractWithCustomerAssetDeferredProgramCostsIncreaseForBalancesAcquired	634000	USD
	us-gaap	Contract With Customer Liability Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination	10048000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-55318000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	-8000	USD
	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	137000	USD
CY2021Q4	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	6737000	USD
CY2021Q4	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	615000	USD
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	31478000	USD
CY2020Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	5711000	USD
CY2020Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	1631000	USD
CY2020Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	26142000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	6635000	USD
	amsc	Contract With Customer Asset Unbilled Ar Increase Decreases For Balances Acquired ContractWithCustomerAssetUnbilledArIncreaseDecreasesForBalancesAcquired	101000	USD
	us-gaap	Contract With Customer Liability Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination	2700000	USD
	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-8255000	USD
	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	42785000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-6969000	USD
	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	6644000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-48274000	USD
	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	33000	USD
	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	1025000	USD
CY2020Q4	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	4201000	USD
CY2020Q4	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	1330000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	24378000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	80600000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	8000000.0	USD
CY2021Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1120000	USD
CY2020Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	839000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3513000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2597000	USD
CY2021Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-4324000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-7933000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-14161000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-15062000	USD
CY2021Q4	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	28418
CY2020Q4	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	26532
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	28234
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	24143
CY2021Q4	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1066
CY2020Q4	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1062
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1089
	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1132
CY2021Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27352
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25470
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27145
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23011
CY2021Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27352
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25470
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27145
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23011
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.31
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.52
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.52
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	18051000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6096000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	11955000	USD
CY2021Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	13270000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4117000	USD
CY2021Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9153000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	672000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2772000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2152000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1648000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1221000	USD
CY2021Q4	amsc	Finitelived Intangible Asset Expected Amortization After Year Four FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour	1690000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10155000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	0	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	0	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	0	USD
	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	-200000	USD
CY2021Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	14312000	USD
CY2021Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	7502000	USD
CY2021Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	6737000	USD
CY2021Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	5765000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	21049000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	13267000	USD
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	11409000	USD
CY2021Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	8255000	USD
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	7762000	USD
CY2021Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	3297000	USD
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1156000	USD
CY2021Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	777000	USD
CY2021Q4	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	615000	USD
CY2021Q1	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	977000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	20942000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	13306000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	58461000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	51413000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	44343000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	42416000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	14118000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	8997000	USD
CY2021Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	700000	USD
CY2020Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1200000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2000000.0	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2900000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	10438000	USD
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	5353000	USD
CY2021Q4	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	1711000	USD
CY2021Q1	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	1460000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	3517000	USD
CY2021Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2369000	USD
CY2021Q4	us-gaap	Deposit Liability Current DepositLiabilityCurrent	2153000	USD
CY2021Q1	us-gaap	Deposit Liability Current DepositLiabilityCurrent	1035000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	3691000	USD
CY2021Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7018000	USD
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	604000	USD
CY2021Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	522000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2218000	USD
CY2021Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2053000	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	24332000	USD
CY2021Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	19810000	USD
CY2021Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2155000	USD
CY2020Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2109000	USD
CY2021Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2053000	USD
CY2020Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2015000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
CY2020Q4	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	147000	USD
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	248000	USD
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	147000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	206000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	124000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	520000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	507000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	143000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	360000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	603000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	649000	USD
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2218000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2020000	USD
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2218000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2020000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1900000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1500000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1200000	USD
CY2021Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2600	USD
CY2021Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	4700	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	7200	USD
CY2021Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	7100	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	6700	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	4000.0	USD
CY2021Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	2100000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	4400000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2700000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	13200	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9100	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	4100	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	707000	USD
CY2021Q4	us-gaap	Variable Lease Cost VariableLeaseCost	33000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	97000	USD
CY2021Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	64000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	195000	USD
CY2021Q4	us-gaap	Lease Cost LeaseCost	335000	USD
	us-gaap	Lease Cost LeaseCost	999000	USD
CY2020Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	226000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	618000	USD
CY2020Q4	us-gaap	Variable Lease Cost VariableLeaseCost	31000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	87000	USD
CY2020Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	338000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	989000	USD
CY2020Q4	us-gaap	Lease Cost LeaseCost	595000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	0	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3408000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3747000	USD
CY2021Q4	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	3417000	USD
CY2021Q1	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	3747000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	5000	USD
CY2021Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	696000	USD
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	612000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	4000	USD
CY2021Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2838000	USD
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3246000	USD
CY2021Q4	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	3543000	USD
CY2021Q1	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	3858000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M2D
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y9M25D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0660	pure
CY2021Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0672	pure
CY2021Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	238000	USD
	us-gaap	Lease Cost LeaseCost	1694000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	229000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	886000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	798000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	673000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	672000	USD
CY2021Q4	amsc	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	934000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4192000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	649000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3543000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	6000000.0	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2700000	USD
CY2020Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5600000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2200000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	pure
CY2021Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	26799000	USD
CY2020Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23632000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	80126000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	65961000	USD
CY2021Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-4380000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-9258000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-16182000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-15681000	USD
CY2021Q4	us-gaap	Assets Assets	175296000	USD
CY2021Q1	us-gaap	Assets Assets	168866000	USD

Files In Submission

Name	View Source	Status
0001437749-22-002208-index-headers.html	Edgar Link	pending
0001437749-22-002208-index.html	Edgar Link	pending
0001437749-22-002208.txt	Edgar Link	pending
0001437749-22-002208-xbrl.zip	Edgar Link	pending
amsc-20211231.xsd	Edgar Link	pending
amsc-20211231_cal.xml	Edgar Link	unprocessable
amsc-20211231_def.xml	Edgar Link	unprocessable
amsc-20211231_lab.xml	Edgar Link	unprocessable
amsc-20211231_pre.xml	Edgar Link	unprocessable
amsc20211231_10q.htm	Edgar Link	pending
amsc20211231_10q_htm.xml	Edgar Link	completed
ex_313565.htm	Edgar Link	pending
ex_313566.htm	Edgar Link	pending
ex_313567.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2021 Q4 Form 10-Q Financial Statement

#000143774922002208 Filed on February 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2021 Q4 Form 10-Q Financial Statement

#000143774922002208 Filed on February 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc