XML 73 R62.htm IDEA: XBRL DOCUMENT
v3.23.2

Commitments and Contingencies - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 33 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2023 USD ($) | Jul. 31, 2022 USD ($) | Jul. 31, 2023 USD ($) project MW | Jul. 31, 2022 USD ($) | Jul. 31, 2023 USD ($) | Oct. 31, 2022 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Fuel Supply Contract Term |  |  | 2 years |  |  |
Total number of projects | project |  |  | 3 |  |  |
Impairment charges | $ 6,200 | $ 6,900 | $ 17,800 | $ 14,000 | $ 42,700 |
Long Term Project Assets | 248,223 |  | 248,223 |  | 248,223 | $ 232,886
Recorded unconditional purchase obligation | 86,900 |  | $ 86,900 |  | 86,900 |
Tulare Biomart Project |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 20 years |  |  |
LIPA project |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 7 years |  |  |
LIPA project | Maximum |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 18 years |  |  |
Toyota Project |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 2 years |  |  |
Long Term Project Assets | 22,300 |  | $ 22,300 |  | 22,300 |
Toyota Project | Maximum |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 20 years |  |  |
Derby Project |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 2 years |  |  |
Derby Project | Maximum |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Term for procuring fuel |  |  | 20 years |  |  |
Derby Project 14.0 Mega Watt |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Under construction power plant capacity | MW |  |  | 14.0 |  |  |
Long Term Project Assets | 52,900 |  | $ 52,900 |  | 52,900 |
Derby Project 2.8 Mega Watt |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Under construction power plant capacity | MW |  |  | 2.8 |  |  |
Long Term Project Assets | $ 2,300 |  | $ 2,300 |  | $ 2,300 |
Bridgeport |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Operating power plant capacity | MW |  |  | 14.9 |  |  |

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 Term of fuel supply contract. + References No definition available. + Details
Name: | fcel_FuelSupplyContractTerm
Namespace Prefix: | fcel_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long-term project assets. + References No definition available. + Details
Name: | fcel_LongTermProjectAssets
Namespace Prefix: | fcel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of projects under power purchase agreement. + References No definition available. + Details
Name: | fcel_NumberOfProjectUnderPowerPurchaseAgreement
Namespace Prefix: | fcel_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Capacity of operating power plant capacity. + References No definition available. + Details
Name: | fcel_PowerCapacityOfOperatingProject
Namespace Prefix: | fcel_
Data Type: | dtr-types:powerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Capacity of under construction power plant. + References No definition available. + Details
Name: | fcel_PowerPlantUnderConstruction
Namespace Prefix: | fcel_
Data Type: | dtr-types:powerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term for procuring fuel under power purchase agreement. + References No definition available. + Details
Name: | fcel_TermForProcuringFuelUnderPowerPurchaseAgreement
Namespace Prefix: | fcel_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-4 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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://www.xbrl.org/2003/role/disclosureRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482648/440-10-50-6 + Details
Name: | us-gaap_RecordedUnconditionalPurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_TulareBiomartProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_LongIslandPowerAuthorityProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_ToyotaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_DerbyProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_DerbyProject14.0MegaWattMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fcel_DerbyProject2.8MegaWattMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=fcel_BridgeportMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |