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Supplemental Cash Flow Information - Schedule of Cash Flow, Supplemental Disclosures (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020
Supplemental Cash Flow Information |  |  |
Cash interest paid | $ 1,556 | $ 5,765 | $ 8,376
Income taxes paid | 2 | 6 | 2
Noncash financing and investing activity: |  |  |
Noncash reclassification between inventory and project assets | 1,260 | 7,052 | 1,152
Noncash reclassifications from inventory to fixed assets | 1,552 |  |
Noncash reclassifications from other assets to project assets | 2,375 |  |
Director stock compensation | 305 | 275 | 104
Reclassification of value of executive share-based compensation |  |  | 434
Addition of operating lease liabilities |  | 1,459 | 899
Addition of operating lease right-of-use assets |  | 1,459 | 899
Cashless warrant exercises |  |  | 25,994
Reclassification to equity of warrant liability for warrant exercises |  | 21,170 | 9,783
Accrued purchase of fixed assets, cash to be paid in subsequent period | 4,396 | 1,537 | 39
Accrued purchase of project assets, cash to be paid in subsequent period | $ 6,444 | $ 6,707 | $ 502

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