XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Recent Accounting Pronouncements - Additional Information (Details) - Accounting Standards Update 2015-03 [Member] $ in Millions | Oct. 31, 2016 USD ($)
--- | ---
Current Assets [Member] |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |
Reclassification of debt issuance costs to be direct deduction of current portion of long term debt | $ 0.3
Other Assets, Net [Member] |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |
Reclassification of debt issuance costs to be direct deduction of long-term debt and other liabilities | $ 1.1

X
- Definition Reclassification of debt issuance costs to be direct deduction of current portion of long term debt. + References No definition available. + Details
Name: | fcel_ReclassificationOfDebtIssuanceCostsToBeDirectDeductionOfCurrentPortionOfLongTermDebt
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reclassification of debt issuance costs to be direct deduction of long-term debt and other liabilities . + References No definition available. + Details
Name: | fcel_ReclassificationOfDebtIssuanceCostsToBeDirectDeductionOfLongTermDebtAndOtherLiabilities
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ProspectiveAdoptionOfNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201503Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=fcel_CurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |