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v2.4.1.9

Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Operating Loss Carryforwards [Line Items] |  |  |
Unrecognized Tax Benefits | $ 15,700,000 us-gaap_UnrecognizedTaxBenefits | $ 15,700,000 us-gaap_UnrecognizedTaxBenefits |
Income (Loss) from Continuing Operations before Income Taxes, Domestic | (35,167,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic | (31,044,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic | (35,535,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Income (Loss) from Continuing Operations before Income Taxes, Foreign | (3,228,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign | (3,904,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign | (302,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest | (38,395,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (34,948,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (35,837,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Current Foreign Tax Expense (Benefit) | 500,000 us-gaap_CurrentForeignTaxExpenseBenefit | 400,000 us-gaap_CurrentForeignTaxExpenseBenefit | 70,000 us-gaap_CurrentForeignTaxExpenseBenefit
franchise tax expense | 200,000 fcel_FranchiseTaxExpense | 200,000 fcel_FranchiseTaxExpense | 200,000 fcel_FranchiseTaxExpense
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, State and Local Income Taxes | (1.80%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | (1.70%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | (2.60%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential | 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | 0.90%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | 0.20%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
effective income tax rate reconciliation, net operating loss adjustment | (25.40%)fcel_EffectiveIncomeTaxRateReconciliationNetOperatingLossAdjustment | 0.10%fcel_EffectiveIncomeTaxRateReconciliationNetOperatingLossAdjustment | (34.90%)fcel_EffectiveIncomeTaxRateReconciliationNetOperatingLossAdjustment
Effective Income Tax Rate Reconciliation, Nondeductible Expense | 14.50%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense | 0.80%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense | 1.20%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate | (0.80%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate | 10.50%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate | (6.80%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Effective Income Tax Rate Reconciliation, Other Adjustments | 0.40%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 4.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | (0.10%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance | 47.10%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | 20.30%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | 77.20%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Effective Income Tax Rate, Continuing Operations | 1.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 1.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 0.20%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits | 7,591,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 6,452,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts | 1,859,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 1,841,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts |
Deferred Tax Assets, Capital Loss Carryforwards | 13,486,000 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards | 13,582,000 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards |
Deferred Tax Assets, Operating Loss Carryforwards | 247,170,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 228,154,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
deferred tax assets, deferred license revenue | 8,894,000 fcel_DeferredTaxAssetsDeferredLicenseRevenue | 8,033,000 fcel_DeferredTaxAssetsDeferredLicenseRevenue |
Deferred Tax Assets, Inventory | 521,000 us-gaap_DeferredTaxAssetsInventory | 509,000 us-gaap_DeferredTaxAssetsInventory |
Deferred Tax Assets, Investments | 404,000 us-gaap_DeferredTaxAssetsInvestments | 419,000 us-gaap_DeferredTaxAssetsInvestments |
Deferred Tax Assets, Property, Plant and Equipment | 590,000 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 625,000 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |
Deferred Tax Assets, Gross | 280,515,000 us-gaap_DeferredTaxAssetsGross | 259,615,000 us-gaap_DeferredTaxAssetsGross |
Deferred Tax Assets, Valuation Allowance | (280,515,000)us-gaap_DeferredTaxAssetsValuationAllowance | (259,615,000)us-gaap_DeferredTaxAssetsValuationAllowance |
Deferred Tax Assets, Net of Valuation Allowance | 0 us-gaap_DeferredTaxAssetsNet | 0 us-gaap_DeferredTaxAssetsNet |
Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs | (3,377,000)us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts | (3,377,000)us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts |
Deferred Tax Liabilities, Net | (3,377,000)us-gaap_DeferredTaxLiabilities | (3,377,000)us-gaap_DeferredTaxLiabilities |
Valuation Allowance Allocated To Reduce Additional Paid In Capital | 4,300,000 fcel_ValuationAllowanceAllocatedToReduceAdditionalPaidInCapital |  |
Federal Operating Loss Carryforwards | 655,000,000 fcel_FederalOperatingLossCarryforwards |  |
State Operating Loss Carryforwards | 396,000,000 fcel_StateOperatingLossCarryforwards |  |
Tax Credits, State | 10,400,000 fcel_TaxCreditsState |  |
Amount of Tax Credits to Expire | $ 1,000,000 fcel_AmountOfTaxCreditsToExpire |  |

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