XML 46 R33.htm IDEA: XBRL DOCUMENT v3.21.1
Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
Apr. 30, 2021
Oct. 31, 2020
Payables and Accruals [Abstract]    
Payroll and related expenses $ 310,641 $ 415,331
Accrued royalty and contingent legal fees 577,190 449,691
Accrued collaborative research and license expense 61,853 30,000
Accrued other 29,210 6,003
Accrued expenses $ 978,894 $ 901,025