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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
May 31, 2019
Statements [Line Items]  
Disclosure of detailed information about foreign exchange rates used [Table Text Block]
  Rand/USD  
                     Period-end rate: R14.6127 (August 31, 2018 R14.6883)
                     9-month period average rate: R14.2436 (May 31, 2018 R12.7354)
     
  CAD/USD  
                     Period-end rate: CAD$1.3527 (August 31, 2018 CAD$1.3055)
                     9-month period average rate: CAD$1.3267 (May 31, 2018 CAD$1.2665)