Quarterly report pursuant to Section 13 or 15(d)

Common Shares and Warrants (Tables)

v3.10.0.1
Common Shares and Warrants (Tables)
 9 Months Ended
May 31, 2018
Schedule of Capital Stock, Warrants [Table Text Block]
            Weighted Average  
      Number of     Exercise Price  
      Warrants     $  
  Balance, August 31, 2016   12,136,241     0.18  
  Cancelled/Expired   (1,004,150 )   0.22  
  Exercised   (10,322,025 )   0.23  
  Issued   8,034,440     0.36  
  Balance, August 31, 2017   8,844,506     0.29  
  Cancelled/Expired   (55,000 )   0.27  
  Exercised   (3,899,479 )   0.33  
  Issued   1,035,913     1.48  
  Balance, May 31, 2018   5,925,940     0.49  
Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions [Table Text Block]
      May 31  
      2018  
  Expected volatility   100% – 154%  
  Risk-free interest rate   1.21%— 2.60%  
  Expected life   1.21 – 3.00 years  
  Dividend yield   0.00%  
  Estimated fair value per warrant   $0.40 – $1.28  
Schedule of Summary of Warrants Outstanding [Table Text Block]
  # of Warrants Weighted Weighted
    Average Average
    Remaining Exercise Price
    Contractual Life $
  450,000 0.20 years 0.14
  1,841,666 0.25 years 0.14
  500,000 0.61 years 0.44
  972,065 0.84 years 0.60
  212,209 0.84 years 0.42
  200,000 1.05 years 0.29
  750,000 3.36 years 0.14
  250,000 1.50 years 0.83
  500,000 1.63 years 1.83
  250,000 2.99 years 1.55
  5,925,940 1.10 years 0.49