Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical)

v3.21.1
Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2021
Apr. 30, 2020
Research and Development Expenses [Member]        
Non-cash share based compensation expenses $ 447,176 $ 458,132 $ 737,382 $ 855,655
General and Administrative Expenses [Member]        
Non-cash share based compensation expenses $ 604,096 $ 651,954 $ 1,299,989 $ 1,275,765