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Amounts payable and accrued liabilities (Tables)
12 Months Ended
Aug. 31, 2022
Amounts Payable And Accrued Liabilities  
Total Amount Payables and Accrued Liabilities
          
   2022   2021 
Amounts payable  $5,572   $1,748 
Accrued liabilities   2,348    3,515 
Total Amount Payables and Accrued Liabilities   $7,920   $5,263