Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details)

v3.22.2
Stock Options (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
May 31, 2022
May 31, 2022
Aug. 31, 2021
Stock Options      
Beginning Balance, Outstanding 284,636 206,170 171,604
Expired/Cancelled   (3,334) (50,334)
Granted 36,700 81,800 84,900
Ending Balance, Outstanding 321,336 321,336 206,170
Ending Balance, Exercisable 293,836 293,836  
Weighted average exercise price, Beginning Balance, Outstanding $ 8.12 $ 8.90 $ 11.17
Weighted average exercise price, Expired/Cancelled   9.60 10.76
Weighted average exercise price, Granted 3.39 6.23 5.41
Weighted average exercise price, Ending Balance, Outstanding 6.59 6.59 $ 8.90
Weighted average exercise price, Balance, Exercisable $ 6.80 $ 6.80  
Weighted Average Remaining Contractual Term, Outstanding (Years)   3 years 5 months 15 days  
Weighted Average Remaining Contractual Term, Exercisable (Years) 5 years 3 years 7 months 13 days  
Aggregate Intrinsic Value, Outstanding $ 0 $ 0  
Aggregate Intrinsic Value, Exercisable $ 0 $ 0