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Stockholders' Equity and Warrant Liabilities - Schedule of Warrant Activity (Details) | 3 Months Ended
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Jan. 31, 2021 shares
Orion Energy Partners Investment Agent, LLC Credit Facility [Member] |
Class of Warrant or Right, Outstanding | 2,700,000
Common stock issued during period, warrants exercised | (2,700,000)
Series C Warrants [Member] |
Class of Warrant or Right, Outstanding | 964,128
Class of Warrant or Right, Outstanding | 964,128

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- Definition Common stock issued during period warrants exercised. + References No definition available. + Details
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Namespace Prefix: | fcel_
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X
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X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |