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Site Closure and Reclamation Provision (Tables)
12 Months Ended
Aug. 31, 2018
Statement [Line Items]  
Disclosure of detailed information about site closure and reclamation provision [Table Text Block]
      August 31,     August 31,  
      2018     2017  
               
  Balance - beginning of year $ 303,600   $ 263,600  
  Increase in provision for site closure and reclamation costs   -     40,000  
               
  Balance – end of year $ 303,600   $ 303,600