Quarterly report pursuant to Section 13 or 15(d)

Common Shares and Warrants (Tables)

v3.7.0.1
Common Shares and Warrants (Tables)
 9 Months Ended
May 31, 2017
Schedule of Capital Stock, Warrants [Table Text Block]
            Weighted Average  
      Number of     Exercise Price  
      Warrants     $  
  Balance, August 31, 2015   19,840,186     0.23  
  Expired   (13,978,286 )   0.22  
  Issued   6,274,341     0.15  
  Balance, August 31, 2016   12,136,241     0.18  
  Cancelled   (38,500 )   0.18  
  Expired   (965,650 )      
  Exercised   (9,713,500 )   0.22  
  Issued   7,478,090     0.36  
  Balance, May 31, 2017   8,896,681     0.27  
Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions [Table Text Block]
      May 31  
      2017  
  Expected volatility   137% – 138%  
  Risk-free interest rate   0.65% – 0.82%  
  Expected life   0.46 – 1.00 years  
  Dividend yield   0.00%  
  Estimated fair value per warrant   $0.09 - $0.23  
Schedule of Summary of Warrants Outstanding [Table Text Block]
  # of Warrants   Weighted     Weighted  
      Average     Average  
      Remaining     Exercise Price  
      Contractual Life     $  
  625,000   0.29 years     0.15  
  290,400   0.53 years     0.27  
  500,000   0.61 years     0.23  
  1,058,525   1.20 years     0.14  
  2,839,666   1.25 years     0.14  
  2,195,790   1.84 years     0.60  
  287,300   1.84 years     0.42  
  350,000   2.01 years     0.14  
  750,000   4.36 years     0.14  
  8,896,681   1.57 year(s)     0.27