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Notes Payable (Details Narrative) - USD ($)
6 Months Ended 12 Months Ended
Apr. 30, 2021
Oct. 31, 2020
Nov. 27, 2019
Proceeds from payroll protection program $ 648,872    
Line of credit outstanding, balance $ 0    
Renewal expired date   Nov. 26, 2021  
HSBC [Member]      
Revolving line of credit facility     $ 4,000,000