Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 4,075	$ 4,075
Intangible assets, net	16,076	17,373
Amortization expenses	1,300
Impairment of goodwill	0	0	$ 0
Versa & Bridgeport Fuel Cell Project Acquisitions
Goodwill And Intangible Assets [Line Items]
Intangible assets, net	16,100	17,400
Versa Acquisition
Goodwill And Intangible Assets [Line Items]
Goodwill	4,100	4,100
Bridgeport Fuel Cell, LLC
Goodwill And Intangible Assets [Line Items]
Amortization expenses	$ 1,300	$ 1,300	$ 1,300