Annual report pursuant to Section 13 and 15(d)

Common Shares and Warrants (Details 4)

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Common Shares and Warrants (Details 4) - $ / shares
 12 Months Ended
Aug. 31, 2018
Oct. 27, 2017
Aug. 31, 2017
Nov. 30, 2016
Aug. 31, 2016
Number of Warrants 3,286,274   8,844,506   12,136,241
Weighted Average Remaining Contractual Life 1 year 5 months 23 days        
Weighted Average Exercise Price $ 0.72 $ 0.44   $ 0.23  
Warrants 1          
Number of Warrants 500,000        
Weighted Average Remaining Contractual Life 4 months 10 days        
Weighted Average Exercise Price $ 0.44        
Warrants 2          
Number of Warrants 624,065        
Weighted Average Remaining Contractual Life 7 months 2 days        
Weighted Average Exercise Price $ 0.6        
Warrants 3          
Number of Warrants 212,209        
Weighted Average Remaining Contractual Life 7 months 2 days        
Weighted Average Exercise Price $ 0.42        
Warrants 4          
Number of Warrants 200,000        
Weighted Average Remaining Contractual Life 9 months 18 days        
Weighted Average Exercise Price $ 0.29        
Warrants 5          
Number of Warrants 750,000        
Weighted Average Remaining Contractual Life 3 years 1 month 10 days        
Weighted Average Exercise Price $ 0.14        
Warrants 6          
Number of Warrants 250,000        
Weighted Average Remaining Contractual Life 1 year 3 months        
Weighted Average Exercise Price $ 0.83        
Warrants 7          
Number of Warrants 500,000        
Weighted Average Remaining Contractual Life 1 year 4 months 17 days        
Weighted Average Exercise Price $ 1.83        
Warrants 8          
Number of Warrants 250,000        
Weighted Average Remaining Contractual Life 2 years 8 months 23 days        
Weighted Average Exercise Price $ 2.73