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Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Goodwill And Intangible Assets
Goodwill	$ 4,075		$ 4,075		$ 4,075
Intangible assets, net	15,428		15,428		$ 16,076
Bridgeport Fuel Cell, LLC
Goodwill And Intangible Assets
Amortization expenses	$ 300	$ 300	$ 600	$ 600

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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