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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (Parentheticals) - USD ($)
3 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Research and Development Expense [Member]    
Non-cash Stock option compensation expenses $ 40,057 $ 79,700
Selling, General and Administrative Expenses [Member]    
Non-cash Stock option compensation expenses $ 226,916 $ 180,037