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ACCRUED EXPENSES (Details) - Accrued liabilities - USD ($)
Jan. 31, 2020
Oct. 31, 2019
Accrued liabilities [Abstract]    
Payroll and related expenses $ 161,405 $ 72,850
Accrued royalty 449,691 449,691
Accrued collaborative research and license expenses 66,119 371,710
Accrued other 27,819 1,247
Total $ 705,034 $ 895,498