$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

$amsc Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000143774921018523 Filed on August 04, 2021

Income Statement

Concept	2021 Q2	2020 Q2	2020 Q1
Revenue	$25.42M	$21.21M	$63.84M
YoY Change	19.83%	54.05%	337.55%
Cost Of Revenue	$22.05M	$16.17M	$54.39M
YoY Change	36.34%	32.64%	359.79%
Gross Profit	$3.369M	$5.040M	$9.445M
YoY Change	-33.15%	219.59%	242.21%
Gross Profit Margin	13.25%	23.76%	14.8%
Selling, General & Admin	$7.142M	$5.637M	$22.67M
YoY Change	26.7%	7.27%	296.31%
% of Gross Profit	211.99%	111.85%	240.01%
Research & Development	$3.041M	$2.499M	$9.565M
YoY Change	21.69%	1.05%	315.87%
% of Gross Profit	90.26%	49.58%	101.27%
Depreciation & Amortization	$600.0K	$900.0K	$1.000M
YoY Change	-33.33%	-18.18%	-13.04%
% of Gross Profit	17.81%	17.86%	10.59%
Operating Expenses	$10.87M	$8.257M	$32.57M
YoY Change	31.62%	5.68%	302.15%
Operating Profit	-$7.499M	-$3.217M	-$23.13M
YoY Change	133.11%	-48.41%	333.13%
Interest Expense	$32.00K	$158.0K	$1.327M
YoY Change	-79.75%	-68.71%	-284.31%
% of Operating Profit
Other Income/Expense, Net	-$64.00K	-$170.0K	$253.0K
YoY Change	-62.35%	-68.69%	-53.15%
Pretax Income	-$7.531M	-$3.229M	-$16.90M
YoY Change	133.23%	-2.97%	159.22%
Income Tax	-$2.100M	$200.0K	$195.0K
% Of Pretax Income
Net Earnings	-$5.403M	-$3.417M	-$17.10M
YoY Change	58.12%	-3.45%	104.74%
Net Earnings / Revenue	-21.25%	-16.11%	-26.78%
Basic Earnings Per Share	-$0.20	-$0.16	-$0.81
Diluted Earnings Per Share	-$0.20	-$0.16	-$1.03
COMMON SHARES
Basic Shares Outstanding	26.83M	21.69M	20.99M
Diluted Shares Outstanding	26.83M	21.69M	21.07M

Balance Sheet

Concept	2021 Q2	2020 Q2	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$55.23M	$51.00M	$54.80M
YoY Change	8.3%	-31.08%	-29.29%
Cash & Equivalents	$50.07M	$20.71M	$24.70M
Short-Term Investments	$5.164M	$30.30M	$30.10M
Other Short-Term Assets	$8.219M	$4.100M	$3.500M
YoY Change	100.46%	0.0%	12.9%
Inventory	$22.16M	$17.06M	$18.98M
Prepaid Expenses
Receivables	$23.91M	$8.203M	$16.99M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$109.5M	$80.36M	$94.28M
YoY Change	36.29%	-20.21%	-8.82%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.07M	$8.331M	$8.565M
YoY Change	80.85%	-4.76%	-4.54%
Goodwill	$43.47M	$1.719M	$1.719M
YoY Change	2428.85%	0.0%	0.0%
Intangibles	$13.31M	$3.429M	$3.550M
YoY Change	288.22%	22.25%	22.84%
Long-Term Investments		$5.100M	$5.000M
YoY Change
Other Assets	$320.0K	$262.0K	$385.0K
YoY Change	22.14%	-14.38%	37.99%
Total Long-Term Assets	$64.37M	$29.31M	$74.59M
YoY Change	119.59%	50.82%	368.17%
TOTAL ASSETS
Total Short-Term Assets	$109.5M	$80.36M	$94.28M
Total Long-Term Assets	$64.37M	$29.31M	$74.59M
Total Assets	$173.9M	$109.7M	$168.9M
YoY Change	58.55%	-8.72%	41.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$13.19M	$3.539M	$10.05M
YoY Change	272.76%	-13.43%	241.78%
Accrued Expenses	$14.89M	$9.600M	$10.90M
YoY Change	55.15%	23.08%	21.11%
Deferred Revenue	$20.55M	$14.72M	$18.43M
YoY Change	39.57%	36.26%	143.88%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$78.00K
YoY Change
Total Short-Term Liabilities	$61.91M	$29.43M	$40.96M
YoY Change	110.33%	2.4%	44.31%
LONG-TERM LIABILITIES
Long-Term Debt	$143.0K	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$25.00K	$35.00K	$38.00K
YoY Change	-28.57%	-31.37%	-59.14%
Total Long-Term Liabilities	$168.0K	$35.00K	$38.00K
YoY Change	380.0%	-31.37%	-59.14%
TOTAL LIABILITIES
Total Short-Term Liabilities	$61.91M	$29.43M	$40.96M
Total Long-Term Liabilities	$168.0K	$35.00K	$38.00K
Total Liabilities	$73.61M	$40.25M	$51.89M
YoY Change	82.89%	-3.56%	36.06%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.007B	-$982.1M	-$978.6M
YoY Change	2.51%	1.76%	1.78%
Common Stock	$1.129B	$1.055B	$1.054B
YoY Change	7.06%	0.89%	0.85%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.639M	$3.043M	$2.666M
YoY Change	19.59%	27.64%	26.89%
Treasury Stock Shares			$297.9K
Shareholders Equity	$118.6M	$69.42M	$72.22M
YoY Change
Total Liabilities & Shareholders Equity	$192.2M	$109.7M	$124.1M
YoY Change	75.22%	-8.72%	4.0%

Cashflow Statement

Concept	2021 Q2	2020 Q2	2020 Q1
OPERATING ACTIVITIES
Net Income	-$5.403M	-$3.417M	-$17.10M
YoY Change	58.12%	-3.45%	104.74%
Depreciation, Depletion And Amortization	$600.0K	$900.0K	$1.000M
YoY Change	-33.33%	-18.18%	-13.04%
Cash From Operating Activities	-$5.829M	-$3.115M	-$16.50M
YoY Change	87.13%	-46.9%	224.74%
INVESTING ACTIVITIES
Capital Expenditures	$224.0K	$637.0K	$3.630M
YoY Change	-64.84%	-23.8%	-1612.5%
Acquisitions
YoY Change
Other Investing Activities	$5.000K	-$128.0K	-$8.000K
YoY Change	-103.91%	36.17%	-100.26%
Cash From Investing Activities	-$11.71M	-$509.0K	-$36.62M
YoY Change	2200.2%	-122.53%	-1398.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net	$0.00
YoY Change
Cash From Financing Activities	-$46.00K	-$376.0K	5.776M
YoY Change	-87.77%	32.86%	6317.78%
NET CHANGE
Cash From Operating Activities	-$5.829M	-$3.115M	-16.50M
Cash From Investing Activities	-$11.71M	-$509.0K	-36.62M
Cash From Financing Activities	-$46.00K	-$376.0K	5.776M
Net Change In Cash	-$17.59M	-$3.988M	-47.33M
YoY Change	341.02%	12.94%	2081.29%
FREE CASH FLOW
Cash From Operating Activities	-$5.829M	-$3.115M	-$16.50M
Capital Expenditures	$224.0K	$637.0K	$3.630M
Free Cash Flow	-$6.053M	-$3.752M	-$20.13M
YoY Change	61.33%	-44.02%	315.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	28328133
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-5403000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-63000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-63000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-5466000	USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	600000	USD
CY2021Q2	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	13200	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50070000	USD
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	67814000	USD
CY2021Q2	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	5164000	USD
CY2021Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	5140000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	23908000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	13267000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	22155000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	13306000	USD
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5906000	USD
CY2021Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3546000	USD
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2313000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2157000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	109516000	USD
CY2021Q1	us-gaap	Assets Current AssetsCurrent	105230000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	15067000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8997000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	13312000	USD
CY2021Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9153000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3764000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3747000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	43471000	USD
CY2021Q1	us-gaap	Goodwill Goodwill	34634000	USD
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5568000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5568000	USD
CY2021Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1149000	USD
CY2021Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1223000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	320000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	314000	USD
CY2021Q2	us-gaap	Assets Assets	192167000	USD
CY2021Q1	us-gaap	Assets Assets	168866000	USD
CY2021Q2	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	33439000	USD
CY2021Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	19810000	USD
CY2021Q2	amsc	Lease Liability Current LeaseLiabilityCurrent	696000	USD
CY2021Q1	amsc	Lease Liability Current LeaseLiabilityCurrent	612000	USD
CY2021Q2	us-gaap	Debt Current DebtCurrent	72000	USD
CY2021Q1	us-gaap	Debt Current DebtCurrent	0	USD
CY2021Q2	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	7150000	USD
CY2021Q1	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	7050000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	20550000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	13266000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	61907000	USD
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	40738000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	8072000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7991000	USD
CY2021Q2	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	3194000	USD
CY2021Q1	amsc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	3246000	USD
CY2021Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	273000	USD
CY2021Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	274000	USD
CY2021Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	143000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	0	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	25000	USD
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	25000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	73614000	USD
CY2021Q1	us-gaap	Liabilities Liabilities	52274000	USD
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	287000	USD
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	280000	USD
CY2021Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1128961000	USD
CY2021Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1121495000	USD
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3639000	USD
CY2021Q1	us-gaap	Treasury Stock Value TreasuryStockValue	3593000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-340000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-277000	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1006716000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1001313000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	118553000	USD
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CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	192167000	USD
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CY2021Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	25420000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	21213000	USD
CY2021Q2	us-gaap	Cost Of Revenue CostOfRevenue	22051000	USD
CY2020Q2	us-gaap	Cost Of Revenue CostOfRevenue	16173000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	3369000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	5040000	USD
CY2021Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3041000	USD
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2499000	USD
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7142000	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5637000	USD
CY2021Q2	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	585000	USD
CY2020Q2	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	121000	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	100000	USD
CY2020Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2021Q2	us-gaap	Operating Expenses OperatingExpenses	10868000	USD
CY2020Q2	us-gaap	Operating Expenses OperatingExpenses	8257000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-7499000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-3217000	USD
CY2021Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	32000	USD
CY2020Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	158000	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-64000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-170000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7531000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3229000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2128000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	188000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-5403000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.20
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
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CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26826000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21689000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26826000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21689000
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3420000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	116592000	USD
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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
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CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-5403000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	118553000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	72219000	USD
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CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	909000	USD
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CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	69419000	USD
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CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2021Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1268000	USD
CY2020Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1000000	USD
CY2021Q2	us-gaap	Share Based Compensation ShareBasedCompensation	1292000	USD
CY2020Q2	us-gaap	Share Based Compensation ShareBasedCompensation	909000	USD
CY2021Q2	us-gaap	Inventory Write Down InventoryWriteDown	624000	USD
CY2020Q2	us-gaap	Inventory Write Down InventoryWriteDown	789000	USD
CY2021Q2	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2207000	USD
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CY2021Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	100000	USD
CY2020Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2021Q2	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-24000	USD
CY2020Q2	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	-134000	USD
CY2021Q2	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-124000	USD
CY2020Q2	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-102000	USD
CY2021Q2	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-3000	USD
CY2020Q2	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-85000	USD
CY2021Q2	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7388000	USD
CY2020Q2	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8783000	USD
CY2021Q2	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	465000	USD
CY2020Q2	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1132000	USD
CY2021Q2	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-463000	USD
CY2020Q2	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	496000	USD
CY2021Q2	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8563000	USD
CY2020Q2	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-7974000	USD
CY2021Q2	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-2779000	USD
CY2020Q2	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-3894000	USD
CY2021Q2	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-5829000	USD
CY2020Q2	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-3115000	USD
CY2021Q2	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	224000	USD
CY2020Q2	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	637000	USD
CY2021Q2	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	11479000	USD
CY2020Q2	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	-0	USD
CY2021Q2	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5000	USD
CY2020Q2	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-128000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	57951000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	26876000	USD
CY2021Q2	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	149000	USD
CY2020Q2	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	225000	USD
CY2021Q2	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	1793000	USD
CY2020Q2	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	88000	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1006700000	USD
CY2021Q2	amsc	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	55200000	USD
CY2021Q2	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-5800000	USD
CY2021Q2	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11708000	USD
CY2020Q2	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-509000	USD
CY2021Q2	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	46000	USD
CY2020Q2	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	376000	USD
CY2021Q2	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-46000	USD
CY2020Q2	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-376000	USD
CY2021Q2	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-5000	USD
CY2020Q2	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	12000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-17588000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3988000	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
CY2021Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	28250000	USD
CY2020Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	32627000	USD
CY2021Q2	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-6786000	USD
CY2020Q2	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-3343000	USD
CY2021Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-7261000	USD
CY2020Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	395000	USD
CY2021Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.27
CY2020Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.02
CY2021Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.27
CY2020Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.02
CY2021Q2	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	26826
CY2020Q2	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Basic BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingBasic	22865
CY2021Q2	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	26826
CY2020Q2	amsc	Business Acquisition Weighted Average Number Of Shares Outstanding Diluted BusinessAcquisitionWeightedAverageNumberOfSharesOutstandingDiluted	22865
CY2021Q2	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.78	pure
CY2020Q2	amsc	Revenue Performance Obligation Satisfied Revenue Recognized Percentage RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage	0.80	pure
CY2021Q1	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	5765000	USD
CY2021Q1	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	978000	USD
CY2021Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	21258000	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	1434000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Increase Decreases For Balances Acquired ContractWithCustomerAssetUnbilledArIncreaseDecreasesForBalancesAcquired	0	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Increase For Balances Acquired ContractWithCustomerAssetDeferredProgramCostsIncreaseForBalancesAcquired	634000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination	10048000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-1564000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	21425000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Decrease Due To Cost Recognition On Completed Performance Obligation ContractWithCustomerAssetUnbilledARDecreaseDueToCostRecognitionOnCompletedPerformanceObligation	0	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-2041000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	4360000	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Revenue Recognized ContractWithCustomerAssetDeferredProgramCostsRevenueRecognized	0	USD
CY2021Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-24355000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	0	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	3000	USD
CY2021Q2	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	246000	USD
CY2021Q2	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	8561000	USD
CY2021Q2	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	1008000	USD
CY2021Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	28622000	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
CY2020Q2	amsc	Contract With Customer Asset Deferred Program Costs Change In Contract Costs ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts	1978000	USD
CY2020Q2	amsc	Contract With Customer Asset Unbilled Ar Change In Time Frame Performance Obligation Satisfied Revenue Recognized ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized	-3620000	USD
CY2020Q2	us-gaap	Contract With Customer Liability Change In Timeframe Performance Obligation Satisfied Revenue Recognized ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized	12276000	USD
CY2020Q2	amsc	Contract With Customer Asset Unbilled Ar Decrease Due To Cost Recognition On Completed Performance Obligation ContractWithCustomerAssetUnbilledARDecreaseDueToCostRecognitionOnCompletedPerformanceObligation	0	USD
CY2020Q2	amsc	Contract With Customer Asset Deferred Program Costs Contract Costs Recognized ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized	-2815000	USD
CY2020Q2	amsc	Contract With Customer Asset Unbilled Ar Revenue Recognized ContractWithCustomerAssetUnbilledARRevenueRecognized	2033000	USD
CY2020Q2	amsc	Contract With Customer Asset Deferred Program Costs Revenue Recognized ContractWithCustomerAssetDeferredProgramCostsRevenueRecognized	0	USD
CY2020Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-16227000	USD
CY2020Q2	amsc	Contract With Customer Asset Unbilled Ar Other Changes ContractWithCustomerAssetUnbilledAROtherChanges	1000	USD
CY2020Q2	amsc	Contract With Customer Asset Deferred Program Costs Other Changes ContractWithCustomerAssetDeferredProgramCostsOtherChanges	7000	USD
CY2020Q2	amsc	Contract With Customer Liability Other Changes ContractWithCustomerLiabilityOtherChanges	194000	USD
CY2020Q2	amsc	Contract With Customer Asset Unbilled Ar Net ContractWithCustomerAssetUnbilledARNet	4125000	USD
CY2020Q2	amsc	Contract With Customer Asset Deferred Program Costs Net ContractWithCustomerAssetDeferredProgramCostsNet	801000	USD
CY2020Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	22385000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	86900000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	15900000	USD
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1292000	USD
CY2020Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	909000	USD
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-5403000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-3417000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	27919000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	22827000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1093000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1138000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26826000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21689000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26826000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21689000
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.20
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.20
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2021Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	18051000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4739000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	13312000	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
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	100000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2028000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2765000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2152000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1648000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1221000	USD
CY2021Q2	amsc	Finitelived Intangible Asset Expected Amortization After Year Four FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour	1698000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	11512000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	0	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	100000	USD
CY2021Q2	us-gaap	Billed Contract Receivables BilledContractReceivables	15347000	USD
CY2021Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	7502000	USD
CY2021Q2	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	8561000	USD
CY2021Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	5765000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	23908000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	13267000	USD
CY2021Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	9756000	USD
CY2021Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	8255000	USD
CY2021Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	9600000	USD
CY2021Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	3297000	USD
CY2021Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1791000	USD
CY2021Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	777000	USD
CY2021Q2	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	1008000	USD
CY2021Q1	amsc	Inventory For Longterm Contracts Or Programs Net Of Reserves InventoryForLongtermContractsOrProgramsNetOfReserves	977000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	22155000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	13306000	USD
CY2021Q2	us-gaap	Inventory Write Down InventoryWriteDown	600000	USD
CY2020Q2	us-gaap	Inventory Write Down InventoryWriteDown	800000	USD
CY2021Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	19810000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	58153000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	51413000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	43086000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	42416000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	15067000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	8997000	USD
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	600000	USD
CY2020Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	900000	USD
CY2021Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	16520000	USD
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	5353000	USD
CY2021Q2	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	1927000	USD
CY2021Q1	amsc	Accrued Inventories In Transit AccruedInventoriesInTransit	1460000	USD
CY2021Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2800000	USD
CY2021Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2369000	USD
CY2021Q2	us-gaap	Deposit Liability Current DepositLiabilityCurrent	2152000	USD
CY2021Q1	us-gaap	Deposit Liability Current DepositLiabilityCurrent	1035000	USD
CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7291000	USD
CY2021Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7018000	USD
CY2021Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	563000	USD
CY2021Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	522000	USD
CY2021Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2186000	USD
CY2021Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2053000	USD
CY2021Q2	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	33439000	USD
CY2021Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2053000	USD
CY2020Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2015000	USD
CY2021Q2	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	248000	USD
CY2020Q2	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
CY2021Q2	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	107000	USD
CY2020Q2	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	236000	USD
CY2021Q2	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	222000	USD
CY2020Q2	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	83000	USD
CY2021Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2186000	USD
CY2020Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	2168000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2100000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	200000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	2300000	USD
CY2021Q2	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-2300000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	1000.0	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	7200000	USD
CY2021Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	7100000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	6700000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	4000000.0	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	100000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	13200	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	12200	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	12000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	0	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3764000	USD
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3747000	USD
CY2021Q2	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	3776000	USD
CY2021Q1	amsc	Operating And Finance Lease Rightofuse Asset OperatingAndFinanceLeaseRightofuseAsset	3747000	USD
CY2021Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	6000	USD
CY2021Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	690000	USD
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	612000	USD
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	6000	USD
CY2021Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3188000	USD
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3246000	USD
CY2021Q2	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	3890000	USD
CY2021Q1	amsc	Operating And Financing Lease Liabilities OperatingAndFinancingLeaseLiabilities	3858000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y5M26D
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y9M25D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0655	pure
CY2021Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0672	pure
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	231000	USD
CY2021Q2	us-gaap	Variable Lease Cost VariableLeaseCost	32000	USD
CY2021Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	67000	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	330000	USD
CY2020Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	178000	USD
CY2020Q2	us-gaap	Variable Lease Cost VariableLeaseCost	27000	USD
CY2020Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	168000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	373000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	695000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	894000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	799000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	674000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	673000	USD
CY2021Q2	amsc	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	934000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4669000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	779000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	3890000	USD
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	5600000	USD
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2300000	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
CY2021Q2	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2021Q2	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	pure
CY2021Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	25420000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	21213000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-7499000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-3217000	USD
CY2021Q2	us-gaap	Assets Assets	192167000	USD
CY2020Q1	us-gaap	Assets Assets	168866000	USD

Files In Submission

Name	View Source	Status
0001437749-21-018523-index-headers.html	Edgar Link	pending
0001437749-21-018523-index.html	Edgar Link	pending
0001437749-21-018523.txt	Edgar Link	pending
0001437749-21-018523-xbrl.zip	Edgar Link	pending
amsc-20210630.xsd	Edgar Link	pending
amsc-20210630_cal.xml	Edgar Link	unprocessable
amsc-20210630_def.xml	Edgar Link	unprocessable
amsc-20210630_lab.xml	Edgar Link	unprocessable
amsc-20210630_pre.xml	Edgar Link	unprocessable
amsc20210630b_10q.htm	Edgar Link	pending
amsc20210630b_10q_htm.xml	Edgar Link	completed
ex_256898.htm	Edgar Link	pending
ex_256899.htm	Edgar Link	pending
ex_256900.htm	Edgar Link	pending
ex_256901.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2021 Q2 Form 10-Q Financial Statement

#000143774921018523 Filed on August 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc

2021 Q2 Form 10-Q Financial Statement

#000143774921018523 Filed on August 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/ Stock $amsc