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Commitments - Schedule of Components of Lease Expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Jul. 31, 2020
Jul. 31, 2019
Commitments and Contingencies Disclosure [Abstract]        
Operating lease cost (cost resulting from lease payments)     $ 23,630 $ 18,298
Operating lease expense $ 8,928 $ 7,681 $ 26,787 $ 23,043