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Provision for reclamation (Tables)
 12 Months Ended
Aug. 31, 2022
Provision For Reclamation  
Schedule of reconciliation for reclamation
          
   2022   2021 
Balance, beginning of year  $2,681   $2,680 
Decrease in estimate for provision for reclamation   -    (133)
Reclamation expense   134    134 
Balance, end of year  $2,815   $2,681