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Segmented Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Aug. 31, 2021
Reserve Quantities [Line Items]      
Revenue $ 3,334  
Non-current assets 46,637   $ 41,100
Canada [Member]      
Reserve Quantities [Line Items]      
Revenue  
Non-current assets 26   28
Tanzania [Member]      
Reserve Quantities [Line Items]      
Revenue 3,334  
Non-current assets $ 46,611   $ 41,072