Financial Instruments (Details Narrative) - USD ($)
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Financial Instruments      
Foreign exchange risk threshold balance $ 1,000,000.0    
Foreign exchange risk movement in currency percentage 10.00%    
Foreign exchange risk loss and other comprehensive loss amount affected $ 100,000    
Initial payment   $ 2,000,000  
Other receivable within trade and other receivables 0 500,000  
Gain on settlement $ 0 2,500,000 $ 0
Purdue paid   2,000,000  
Additional payment   $ 500,000