Annual report pursuant to Section 13 and 15(d)

Stock Options (Tables)

v3.8.0.1
Stock Options (Tables)
 12 Months Ended
Aug. 31, 2017
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
            Weighted Average  
      Number of Options     Exercise Price  
            $  
  Balance, August 31, 2015 (vested and outstanding)   4,070,000     0.15  
  Expired   (385,000 )   0.32  
  Cancelled   (935,000 )   0.16  
  Granted   735,000     0.13  
  Balance, August 31, 2016 (vested and outstanding)   3,485,000     0.15  
  Exercised   (1,014,125 )   0.17  
  Granted   850,000     0.14  
  Balance, August 31, 2017 (outstanding)   3,320,875     0.15  
  Balance, August 31, 2017 (exercisable)   3,020,875     0.14  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
  August 31 August 31
  2017 2016
Expected volatility 98% - 108% 240% - 241%
Risk-free interest rate 0.83% - 1.78% 1.22% - 1.62%
Expected life 2 - 5 years 5 years
Dividend yield 0.00% 0.00%
Estimated fair value per option $0.07 - $0.27 $0.11 - $0.19
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Number of Number of Stock Weighted Weighted Aggregate
Stock Options Options Average Average Intrinsic Value
  Exercisable Remaining Exercise Price  
    Contractual Life $ $
247,500 247,500 0.80 years 0.09 64,125
248,375 248,375 1.90 years 0.23 30,482
990,000 990,000 2.31 years 0.10 247,500
275,000 275,000 2.43 years 0.09 71,250
550,000 550,000 2.57 years 0.09 142,500
110,000 110,000 3.05 years 0.17 19,500
300,000 300,000 3.62 years 0.11 72,000
200,000 200,000 4.76 years 0.37 (4,000)
400,000 100,000 4.81 years 0.30 22,000
3,320,875 3,020,875 2.81 years 0.15 665,357