Annual report pursuant to Section 13 and 15(d)

Stock Options (Details 2)

v3.23.3
Stock Options (Details 2) - $ / shares
12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Expected life   5 years
Dividend yield 0.00% 0.00%
Minimum    
Expected life 2 years 6 months  
Estimated fair value per option Maximum $ 0.33 $ 2.25
Expected volatility Minimum 93.00% 98.00%
Risk-free interest rate Minimum 3.30% 0.78%
Maximum    
Expected life 5 years  
Estimated fair value per option Maximum $ 2.32 $ 5.10
Expected volatility Minimum 105.00% 119.00%
Risk-free interest rate Minimum 4.69% 3.30%