Convertible debentures (Tables)
3 Months Ended
Feb. 29, 2020
Related Party Transactions [Abstract]  
Schedule of related party transactions
   February 29,  November 30,
   2020  2019
Convertible debenture payable to two directors and officers of the          
     Company, unsecured, 10% annual interest rate,          
     payable monthly (“2018 Debenture”)  $482,071   $473,442 
           
Convertible debenture payable to two directors and officers of the          
     Company, unsecured, 12% annual interest rate,          
     payable monthly (“2019 Debenture”)  $1,050,000   $1,050,000 
           
Convertible debenture payable to two directors and officers of the          
    Company, unsecured, 12% annual interest rate,          
    payable monthly (“November 2019 Debenture”)  $175,060   $221,371 
   $1,707,131   $1,744,813 
Schedule of promissory notes
   February 29,     November 30, 
  2019   2019
   $     $ 
Promissory notes payable to two directors and officers       
      of the Company, unsecured, no annual interest       
      rate on the outstanding loan balance            159,863            159,863
       
            159,863            159,863