Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF OPERATIONS (Parentheticals)

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CONSOLIDATED STATEMENTS OF OPERATIONS (Parentheticals) - USD ($)
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Research and Development Expense [Member]    
Non-cash share-based compensation expenses $ 2,825,630 $ 4,596,866
Selling, General and Administrative Expenses [Member]    
Non-cash share-based compensation expenses $ 2,888,115 $ 4,298,748