Annual report pursuant to Section 13 and 15(d)

Common Shares and Warrants (Details 2)

v3.22.2.2
Common Shares and Warrants (Details 2) - $ / shares
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Expected volatility 98.00% 133.00%
Risk-free interest rate 0.78% 0.42%
Expected life 5 years 5 years
Estimated fair value per warrant $ 2.25 $ 4.00
Dividend yield 0.00% 0.00%
Warrant [Member]    
Expected volatility 0.00% 103.00%
Risk-free interest rate 0.00% 0.16%
Expected life 3 years 3 years
Estimated fair value per warrant $ 0 $ 6.51
Dividend yield 0.00% 0.00%