Annual report pursuant to Section 13 and 15(d)

Share based compensation (Details)

v3.19.3.a.u2
Share based compensation (Details)
12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Expected life 4 years 4 years
Volatility rate 119.00% 121.00%
Dividends 0.00% 0.00%
Maximum [Member]    
Risk free rate 2.90% 2.83%
Minimum [Member]    
Risk free rate 1.70% 2.01%