XML 56 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Benefit Plans 4 (Details) (USD $)
12 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock Issued During Period, Shares, Other   550,355us-gaap_StockIssuedDuringPeriodSharesOther
Common stock issued to settle make-whole obligation, value   $ 600,000us-gaap_StockIssuedDuringPeriodValueOther
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 4,724,080us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 5,036,104us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Restricted Stock Awards, Weighted Average Remaining Life 2 years 6 months  
Restricted Stock Awards Outstanding, Intrinsic Value 8,800,000fcel_RestrictedStockAwardsOutstandingIntrinsicValue  
Nonvested Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 0 years 5 months  
Restricted Stock or Unit Expense 100,000us-gaap_RestrictedStockExpense
/ us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis
= fcel_NonvestedStockOptionsMember
 
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months  
Restricted Stock or Unit Expense $ 5,500,000us-gaap_RestrictedStockExpense
/ us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis
= us-gaap_RestrictedStockMember