Annual report pursuant to Section 13 and 15(d)

Common Shares and Warrants (Details 3)

v3.10.0.1
Common Shares and Warrants (Details 3) - USD ($)
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Dividend yield 0.00% 0.00%
Minimum    
Expected volatility 100.00% 102.00%
Risk-free interest rate 1.21% 0.65%
Expected life 1 year 2 months 16 days 5 months 16 days
Estimated fair value per warrant $ 0.40 $ 0.09
Maximum    
Expected volatility 154.00% 138.00%
Risk-free interest rate 2.60% 1.27%
Expected life 3 years 2 years
Estimated fair value per warrant $ 1.48 $ 0.20