Description of Business - Additional Information (Details) - USD ($)		3 Months Ended				6 Months Ended
	May 16, 2023	Apr. 30, 2024	Jan. 31, 2024	Apr. 30, 2023	Jan. 31, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Description of Business [Line Items]
Exchange ratio						0.18048%
Net Income (Loss)		$ (14,984,000)	$ (10,711,000)	$ (5,282,000)	$ (7,418,000)	$ (25,695,000)	$ (12,700,000)
Cash flows from operating activities						21,532,000	$ 10,667,000
Accumulated deficit		$ 225,283,000				$ 225,283,000		$ 199,588,000
FEAC
Description of Business [Line Items]
Goodwill	$ 0
Intangible assets	$ 0
Exchange ratio	0.18048%