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v2.4.1.9

Accounts Receivable (Details) (USD $) | Oct. 31, 2014 | Oct. 31, 2013
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
U.S. Government Amount Billed | $ 2,517,000 us-gaap_GovernmentContractReceivable | $ 786,000 us-gaap_GovernmentContractReceivable
U.S. Government Unbilled Recoverable Costs | 2,886,000 us-gaap_GovernmentContractReceivableUnbilledAmounts | 639,000 us-gaap_GovernmentContractReceivableUnbilledAmounts
U.S. Government Accounts Receivable Total | 5,403,000 fcel_UsGovernmentAccountsReceivableTotal | 1,425,000 fcel_UsGovernmentAccountsReceivableTotal
Commercial Customers Amount Billed | 8,871,000 us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms | 17,344,000 us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms
Commercial Customers Unbilled Recoverable Costs | 50,101,000 us-gaap_UnbilledContractsReceivable | 30,347,000 us-gaap_UnbilledContractsReceivable
Commercial Customers Accounts Receivable Total | 58,972,000 fcel_CommercialCustomersAccountsReceivable | 47,691,000 fcel_CommercialCustomersAccountsReceivable
Accounts receivable, net of allowance for doubtful accounts of $132 and $14 at October 31, 2014 and 2013, respectively | 64,375,000 us-gaap_AccountsReceivableNetCurrent | 49,116,000 us-gaap_AccountsReceivableNetCurrent
Allowance for Doubtful Accounts Receivable, Current | 132,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | 14,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
POSCO Energy [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts Receivable, Related Parties, Current | 29,900,000 us-gaap_AccountsReceivableRelatedPartiesCurrent / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = fcel_PoscoEnergyMember | 17,400,000 us-gaap_AccountsReceivableRelatedPartiesCurrent / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = fcel_PoscoEnergyMember
Government [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
U.S. Government Amount Billed | $ 1,700,000 us-gaap_GovernmentContractReceivable / us-gaap_MajorCustomersAxis = us-gaap_GovernmentMember |

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- Definition Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 310 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6471494&loc=d3e49354-109356 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph c -Article 5 + Details
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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3-4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 + Details
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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The amount of receivables that are derived from government contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6471842&loc=d3e55295-109406 + Details
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- Definition Unbilled amounts (net of unliquidated progress payments) of government contract receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6471842&loc=d3e55376-109406 + Details
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- Definition Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph c(3) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6471842&loc=d3e55302-109406 + Details
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