XML 58 R47.htm IDEA: XBRL DOCUMENT v3.22.1

Inventories - Components of Inventories (Parenthetical) (Details) - USD ($) $ in Millions	Apr. 30, 2022	Oct. 31, 2021
Inventories
Completed standard component and modules	$ 45.7	$ 39.7

X

- Definition

Completed standard component and modules.

+ References

No definition available.

+ Details

Name:	fcel_CompletedStandardComponentAndModules
Namespace Prefix:	fcel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration