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CONCENTRATIONS OF CREDIT RISK (Details) - Customer
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Customer Account [Abstract]    
Number of customers concentration risk in accounts receivable 1  
Accounts Receivable [Member] | Credit Concentration Risk [Member]    
Customer Account [Abstract]    
Customer's percentage of net accounts receivable 24.00% 17.00%