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Leases - Additional Information (Details) $ in Thousands, $ in Millions |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 20, 2023 ft² | Jan. 05, 2023 ft² | Jul. 31, 2023 USD ($) | Jul. 31, 2022 USD ($) | Jul. 31, 2023 USD ($) | Jul. 31, 2022 USD ($) | Jul. 31, 2023 CAD ($) | Jul. 31, 2023 USD ($) | Jan. 31, 2023 CAD ($) | Jan. 31, 2023 USD ($) | Oct. 31, 2022 USD ($)
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets, net |  |  |  |  |  |  |  | $ 8,690 |  |  | $ 7,189
Operating lease liability |  |  |  |  |  |  |  | $ 9,945 |  |  |
Operating lease expense |  |  | $ 400 | $ 400 | $ 1,159 | $ 1,147 |  |  |  |  |
Operating lease, weighted average remaining lease term |  |  |  |  |  |  | 17 years | 17 years |  |  |
Operating lease, weighted average discount rate |  |  |  |  |  |  | 6.97% | 6.97% |  |  |
Operating lease, payments |  |  | $ 300 | $ 400 | $ 911 | $ 1,084 |  |  |  |  |
Versa Power Systems, Ltd |  |  |  |  |  |  |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of Additional Leased Space | ft² | 18,627 | 48,000 |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets, net |  |  |  |  |  |  | $ 0.2 | $ 100 | $ 2.7 | $ 2,000 |
Operating lease liability |  |  |  |  |  |  | $ 0.2 | $ 100 | $ 2.7 | $ 2,000 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-4 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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