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Accounts payable and accrued liabilities (Tables)
12 Months Ended
Oct. 31, 2020
Text Block [Abstract]  
Summary of Accounts Payable and Accrued Liabilities
    
2020
     2019  
    
$
     $  
Accounts payable
  
 
2,454,421
 
     195,716  
Accrued expenses
  
 
1,177,377
 
     819,833  
Accrued compensation
  
 
732,574
 
     133,437  
    
 
 
    
 
 
 
    
 
4,364,372
 
     1,148,986