XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jan. 31, 2019 | Oct. 31, 2018
Commitments And Contingencies [Line Items] |  |
Capitalized lease obligations | $ 337 | $ 341
Lease Payment Terms | 36 months |
Reserve for performance guarantees | $ 2,200 | 1,100
Loss reserve on service agreements | 2,300 | $ 900
Recorded Unconditional Purchase Obligation | 54,400 |
Topic 606 [Member] |  |
Commitments And Contingencies [Line Items] |  |
Reserve for performance guarantees | 2,200 |
Increase loss reserve on service agreements | $ 1,400 |

X
- Definition Commitments and contingencies. + References No definition available. + Details
Name: | fcel_CommitmentsAndContingenciesLineItems
Namespace Prefix: | fcel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase decrease loss reserve on service agreements. + References No definition available. + Details
Name: | fcel_IncreaseDecreaseLossReserveOnServiceAgreements
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lease Payment Terms + References No definition available. + Details
Name: | fcel_LeasePaymentTerms
Namespace Prefix: | fcel_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition loss reserve on service agreements + References No definition available. + Details
Name: | fcel_LossReserveOnServiceAgreements
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition reserve for performance guarantees + References No definition available. + Details
Name: | fcel_ReserveForPerformanceGuarantees
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_CapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25383-109308 + Details
Name: | us-gaap_RecordedUnconditionalPurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |