Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses - Schedule of Accrued Expenses (Details)

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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