Condensed Consolidated Statements of Operations (Unaudit (Parenthetical) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Research and Development Expense [Member]
Share-based Payment Arrangement, Expense	$ 1,687,754	$ 394,842	$ 2,425,136	$ 1,250,497
General and Administrative Expense [Member]
Share-based Payment Arrangement, Expense	$ 1,499,572	$ 646,957	$ 2,799,561	$ 1,922,722