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Deferred Flow-Through Share Premium (Tables)
12 Months Ended
Aug. 31, 2018
Statement [Line Items]  
Disclosure of detailed information about deferred flow-through share premium [Table Text Block]
  Balance – September 1, 2016 $ 96,617  
  Increase relating to flow-through common shares issued (note 12b)   270,318  
  Decrease relating to CEE incurred   (317,468 )
         
  Balance – August 31, 2017   49,467  
  Increase relating to flow-through common shares issued (note 12b)   220,922  
  Decrease relating to CEE incurred   (218,232 )
         
  Balance – August 31, 2018 $ 52,157