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STOCK OPTIONS AND WARRANTS (Tables)
9 Months Ended
May 31, 2019
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
          Options Outstanding  
          Weighted Average  
    Number of Shares     Exercise Price  
Balance, August 31, 2017   7,295,000   $  0.07  
Granted   1,885,000     0.06  
Exercised   (610,000 )   0.05  
Balance, August 31, 2018   8,570,000   $  0.07  
Granted   -     -  
Expired   (250,000 )   0.06  
Balance, May 31, 2019   8,320,000   $  0.07  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    May 31, 2019 May 31, 2018
  Expected volatility - 204%
  Risk-free interest rate - 1.93%
  Expected life - 5.00 years
  Dividend yield - 0.00%
  Estimated fair value per option - $0.05
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
May 31, 2019
   Options outstanding and
  exercisable
  Number Remaining
Exercise prices of shares contractual
    life
$0.07 550,000 3.98 years
$0.06 535,000 3.95 years
$0.05 800,000 3.41 years
$0.10 500,000 2.92 years
$0.07 1,500,000 2.67 years
$0.07 1,535,000 2.64 years
$0.07 800,000 2.31 years
$0.05 1,100,000 1.40 years
$0.10 1,000,000 0.43 years
  8,320,000 2.63 years

*The aggregate intrinsic value for options outstanding and exercisable as at May 31, 2019 was $Nil.

August 31, 2018

   Options outstanding and
  exercisable
  Number Remaining
Exercise prices of shares contractual
    life
$0.07 550,000 4.73 years
$0.06 535,000 4.70 years
$0.05 800,000 4.16 years
$0.10 500,000 3.67 years
$0.07 1,500,000 3.42 years
$0.07 1,535,000 3.39 years
$0.07 800,000 3.05 years
$0.05 1,100,000 2.15 years
$0.10 1,000,000 1.18 years
$0.06 250,000 0.18 years
  8,570,000 2.88 years
Schedule of Stockholders' Equity Note, Warrants or Rights, Activity [Table Text Block]
          Warrants Outstanding  
          Weighted Average  
    Number of warrants     Exercise Price  
Balance, August 31, 2017   39,191,810   $  0.09  
Expired   (16,107,340 )   0.12  
Issued   17,704,590     0.06  
Exercised   (50,000 )   0.07  
Balance, August 31, 2018   40,739,060   $  0.06  
Expired   (19,781,137 )   0.07  
Issued   8,436,869     0.04  
Balance, May 31, 2019   29,394,792   $  0.05  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  Number         Exercise   Expiry  
  Outstanding1         Price   Date  
  6,009,369       $ 0.040   March 27, 2023  
  2,427,500       $ 0.050   September 21, 2021  
  4,800,000       $ 0.050   August 31, 2021  
  2,540,000       $ 0.075   May 25, 2020  
  1,891,590       $ 0.075   May 11, 2020  
  1,688,600       $ 0.060   January 12, 2020  
  4,184,400       $ 0.060   December 8, 2019  
  2,600,000       $ 0.060   November 1, 2019  
  3,253,333       $ 0.050 and $0.10 after 18 months   June 8, 2019  
  29,394,792                
1Each warrant entitles a holder to purchase one common share.