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v2.4.1.9

Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Cash flows from operating activities: |  |  |
Net loss | $ (48,656)us-gaap_NetIncomeLoss | $ (56,258)us-gaap_NetIncomeLoss | $ (66,131)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operations: |  |  |
Depreciation and amortization | 9,554 us-gaap_DepreciationAndAmortization | 10,615 us-gaap_DepreciationAndAmortization | 13,054 us-gaap_DepreciationAndAmortization
Stock-based compensation expense | 5,936 us-gaap_ShareBasedCompensation | 10,696 us-gaap_ShareBasedCompensation | 8,138 us-gaap_ShareBasedCompensation
Impairment of long-lived and intangible assets | 3,464 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 1,265 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 4,984 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Provision for excess and obsolete inventory | 1,386 us-gaap_InventoryWriteDown | 316 us-gaap_InventoryWriteDown | 2,230 us-gaap_InventoryWriteDown
Adverse purchase commitment losses (recoveries), net |  |  | (7,768)amsc_LossesRecoveriesOnPurchaseCommitmentsNet
Prepaid VAT reserve |  | 1,426 amsc_PrepaidValueAddedTaxReserve |
Loss on minority interest investments | 743 us-gaap_GainLossOnInvestments | 1,008 us-gaap_GainLossOnInvestments | 2,231 us-gaap_GainLossOnInvestments
Change in fair value of derivatives and warrants | (3,963)amsc_GainLossInChangeOfFairValueOfDerivativeInstrumentsAndWarrants | (1,872)amsc_GainLossInChangeOfFairValueOfDerivativeInstrumentsAndWarrants | (7,556)amsc_GainLossInChangeOfFairValueOfDerivativeInstrumentsAndWarrants
Loss on extinguishment of debt |  | 5,197 us-gaap_GainsLossesOnExtinguishmentOfDebt |
Reversal of Catlin legal costs | (2,220)amsc_ReversalOfLitigationSettlementAmount |  |
Non-cash interest expense | 566 us-gaap_AmortizationOfFinancingCostsAndDiscounts | 7,713 us-gaap_AmortizationOfFinancingCostsAndDiscounts | 12,426 us-gaap_AmortizationOfFinancingCostsAndDiscounts
Other non-cash items | (2,436)us-gaap_OtherNoncashIncomeExpense | 1,980 us-gaap_OtherNoncashIncomeExpense | 3,329 us-gaap_OtherNoncashIncomeExpense
Changes in operating asset and liability accounts: |  |  |
Accounts receivable | (2,677)us-gaap_IncreaseDecreaseInAccountsReceivable | 11,379 us-gaap_IncreaseDecreaseInAccountsReceivable | (751)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventory | (1,887)us-gaap_IncreaseDecreaseInInventories | 13,043 us-gaap_IncreaseDecreaseInInventories | (6,457)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets | (2,330)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 12,512 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 8,887 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable and accrued expenses | 5,579 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | (10,861)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | (21,864)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Deferred revenue | 4,265 us-gaap_IncreaseDecreaseInDeferredRevenue | (21,426)us-gaap_IncreaseDecreaseInDeferredRevenue | 9,977 us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash used in operating activities | (32,676)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (13,267)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (45,271)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Purchase of property, plant and equipment | (737)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (278)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (1,430)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Proceeds from the sale of property, plant and equipment | 18 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 54 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 136 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Proceeds from the maturity of marketable securities |  |  | 5,276 us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities
Change in restricted cash | 2,248 us-gaap_IncreaseDecreaseInRestrictedCash | 4,669 us-gaap_IncreaseDecreaseInRestrictedCash | 3,678 us-gaap_IncreaseDecreaseInRestrictedCash
Change in other assets | 280 us-gaap_PaymentsForProceedsFromOtherInvestingActivities | (436)us-gaap_PaymentsForProceedsFromOtherInvestingActivities | (307)us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash provided by investing activities | 1,809 us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | 4,009 us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | 7,353 us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Employee taxes paid related to net settlement of equity awards | (401)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (57)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (42)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Proceeds from the issuance of debt, net of expenses | 1,422 us-gaap_ProceedsFromDebtNetOfIssuanceCosts | 9,842 us-gaap_ProceedsFromDebtNetOfIssuanceCosts | 32,895 us-gaap_ProceedsFromDebtNetOfIssuanceCosts
Repayment of debt | (7,295)us-gaap_RepaymentsOfLongTermDebt | (4,615)us-gaap_RepaymentsOfLongTermDebt | (1,923)us-gaap_RepaymentsOfLongTermDebt
Proceeds from public equity offering, net | 14,933 us-gaap_ProceedsFromIssuanceInitialPublicOffering | 7,458 us-gaap_ProceedsFromIssuanceInitialPublicOffering |
Proceeds from exercise of employee stock options and ESPP | 124 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 168 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 291 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
Net cash provided by financing activities | 8,783 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 12,796 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 31,221 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Effect of exchange rate changes on cash and cash equivalents | (540)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | 333 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | (339)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net (decrease)/increase in cash and cash equivalents | (22,624)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 3,871 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (7,036)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year | 43,114 us-gaap_CashAndCashEquivalentsAtCarryingValue | 39,243 us-gaap_CashAndCashEquivalentsAtCarryingValue | 46,279 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of year | 20,490 us-gaap_CashAndCashEquivalentsAtCarryingValue | 43,114 us-gaap_CashAndCashEquivalentsAtCarryingValue | 39,243 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental schedule of cash flow information: |  |  |
Cash paid for income taxes, net of refunds | 362 us-gaap_IncomeTaxesPaidNet | 864 us-gaap_IncomeTaxesPaidNet | (311)us-gaap_IncomeTaxesPaidNet
Issuance of common stock to settle liabilities | 1,715 us-gaap_DebtConversionConvertedInstrumentAmount1 | 24,407 us-gaap_DebtConversionConvertedInstrumentAmount1 | 18,896 us-gaap_DebtConversionConvertedInstrumentAmount1
Cash paid for interest | $ 1,362 us-gaap_InterestPaid | $ 990 us-gaap_InterestPaid | $ 787 us-gaap_InterestPaid

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- Definition Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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