Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Research and Development Expense [Member]
Share-Based Payment Arrangement, Expense	$ 2,037	$ 3,635
General and Administrative Expense [Member]
Share-Based Payment Arrangement, Expense	$ 2,698	$ 3,117