XML 74 R61.htm IDEA: XBRL DOCUMENT v3.23.1

Commitments and Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		30 Months Ended
	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Apr. 30, 2023 USD ($) project MW	Apr. 30, 2022 USD ($)	Apr. 30, 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	$ 4,500	$ 4,400	$ 11,600	$ 7,200	$ 36,400
Long Term Project Assets	237,151		237,151		237,151	$ 232,886
Recorded unconditional purchase obligation	100,800		$ 100,800		100,800
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	22,100		$ 22,100		22,100
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	39,900		$ 39,900		39,900
Derby Project 2.8 Mega Watt
Commitments And Contingencies [Line Items]
Under construction power plant capacity | MW			2.8
Long Term Project Assets	$ 600		$ 600		$ 600
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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228

+ 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123406679&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_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: