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SUPPLEMENTARY CASH FLOW INFORMATION (Tables)
6 Months Ended
Feb. 28, 2019
Statements [Line Items]  
Disclosure of detailed information about non-cash working capital [Table Text Block]
  Period ended   February 28, 2019     February 28, 2018  
  Amounts receivable, prepaid expenses and other assets $  (625 ) $  (578 )
  Accounts payable and accrued liabilities   724     (29
    $  99   $  (607 )