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Financial instruments - Narrative (Details)
6 Months Ended
May 31, 2024
USD ($)
Jun. 03, 2024
USD ($)
May 31, 2024
CAD ($)
Nov. 30, 2023
USD ($)
Accounts receivable $ 15,000     $ 33,000
Subsequent Event [Member]        
Accrued salaries   $ 153,000    
10% change in the US-Canadian exchange rate        
Cash     $ 19,000  
Accounts receivable     20,000  
Accounts payable     $ 295,000  
Change in foreign exchange rate 10.00%   10.00%  
Foreign exchange loss $ 19,000      
1% change in interest rates        
Change in interest rate 1.00%   1.00%