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Inventory (Tables)
6 Months Ended
Feb. 28, 2018
Schedule of Inventory, Current [Table Text Block]
      February 28     August 31  
      2018     2017  
      $     $  
  Raw materials   19,879     14,220  
  Finished goods   19,665     42,266  
  Work in progress   22,982     10,688  
      62,526     67,174