Leases - Additional Information (Details) $ in Thousands, $ in Millions		3 Months Ended
	Jan. 05, 2023 ft²	Jan. 31, 2023 USD ($)	Jan. 31, 2022 USD ($)	Jan. 31, 2023 CAD ($)	Jan. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)
Lessee Lease Description [Line Items]
Finance lease ROU assets					$ 100	$ 100
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]				Property, plant and equipment, net	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease liability					$ 100	$ 100
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]				Current portion of long-term debt	Current portion of long-term debt	Current portion of long-term debt
Operating lease right-of-use assets, net					$ 8,997	$ 7,189
Operating lease liability					$ 10,060
Operating lease expense		$ 323	$ 395
Operating lease, weighted average remaining lease term				17 years	17 years
Operating lease, weighted average discount rate				6.90%	6.90%
Operating lease, payments		$ 301	$ 372
Versa Power Systems, Ltd
Lessee Lease Description [Line Items]
Area of Additional Leased Space | ft²	48,000
Operating lease right-of-use assets, net				$ 2.7	$ 2,000
Operating lease liability				$ 2.7	$ 2,000