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RELATED PARTY TRANSACTIONS - Borrowings from Related Parties and Interest Expense (Details) - USD ($)
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Related Party Transaction [Line Items]      
Amount borrowed from related parties $ 1,987,256 $ 0 $ 33,632
Amount repaid to related parties $ 241,097 207,081  
Borrowings from Related Parties and Interest Expense - Related Parties      
Related Party Transaction [Line Items]      
Term of debt 1 year    
Amount borrowed from related parties $ 2,128,705    
Amount repaid to related parties 2,099,420    
Interest expense - related parties $ 0 $ 613 $ 452
Borrowings from Related Parties and Interest Expense - Related Parties | Minimum      
Related Party Transaction [Line Items]      
Annual interest rate 6.50%    
Borrowings from Related Parties and Interest Expense - Related Parties | Maximum      
Related Party Transaction [Line Items]      
Annual interest rate 10.00%