Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Research and Development Expense [Member]
Non-cash stock-based compensation expenses	$ 1,560	$ 1,859
General and Administrative Expense [Member]
Non-cash stock-based compensation expenses	$ 2,250	$ 2,923