Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($)	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Research and Development Expense [Member]
Non-cash share based compensation expenses	$ 290,207	$ 397,523
General and Administrative Expense [Member]
Non-cash share based compensation expenses	$ 695,892	$ 623,811