Consolidated Statements of Operations (Parenthetical) - USD ($)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Research and Development Expense [Member]
Non-cash share based compensation expenses	$ 1,484,545	$ 2,825,630
General and Administrative Expense [Member]
Non-cash share based compensation expenses	$ 2,652,915	$ 2,888,115