Quarterly report pursuant to Section 13 or 15(d)

Common Shares, Warrants and Options (Details 4)

v3.23.2
Common Shares, Warrants and Options (Details 4)
9 Months Ended
May 31, 2023
$ / shares
Common Shares, Warrants and Options  
Expected volatility Minimum 98.00%
Expected volatility Maximum 1.05%
Risk-free interest rate Minimum 3.30%
Risk-free interest rate Maximum 4.12%
Expected life 5 years
Dividend yield 0.00%
Estimated fair value per option Minimum $ 1.60
Estimated fair value per option Maximum $ 2.58