Quarterly report pursuant to Section 13 or 15(d)

Common Shares and Warrants (Details 3)

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Common Shares and Warrants (Details 3) - $ / shares
 3 Months Ended
Nov. 30, 2019
Aug. 31, 2019
Aug. 31, 2018
Number of Warrants 4,882,820 2,825,325 3,286,274
Weighted Average Remaining Contractual Life 1 year 5 months 15 days    
Weighted Average Exercise Price $ 1.14    
# of Warrants 250,000      
Number of Warrants 250,000    
Weighted Average Remaining Contractual Life 3 days    
Weighted Average Exercise Price $ 0.83    
# of Warrants 500,000      
Number of Warrants 500,000    
Weighted Average Remaining Contractual Life 1 month 17 days    
Weighted Average Exercise Price $ 1.83    
# of Warrants 975,325      
Number of Warrants 975,325    
Weighted Average Remaining Contractual Life 11 months 1 day    
Weighted Average Exercise Price $ 2.25    
# of Warrants 100,000      
Number of Warrants 100,000    
Weighted Average Remaining Contractual Life 1 year 5 months 23 days    
Weighted Average Exercise Price $ 0.96    
# of Warrants 250,000      
Number of Warrants 250,000    
Weighted Average Remaining Contractual Life 1 year 5 months 23 days    
Weighted Average Exercise Price $ 1.55    
# of Warrants 750,000      
Number of Warrants 750,000    
Weighted Average Remaining Contractual Life 1 year 10 months 9 days    
Weighted Average Exercise Price $ 0.14    
# of Warrants 225,000      
Number of Warrants 225,000    
Weighted Average Remaining Contractual Life 2 years    
Weighted Average Exercise Price $ 0.80    
# of Warrants 1,832,495      
Number of Warrants 1,832,495    
Weighted Average Remaining Contractual Life 2 years    
Weighted Average Exercise Price $ 0.80