v3.22.2.2
DERIVATIVE LIABILITIES - Schedule of estimation of the top-rights (Details)
 12 Months Ended
Aug. 31, 2022
$ / shares
Aug. 31, 2021
$ / shares
Disclosure of financial liabilities [line items]    
Average exercise price (in CAD per share) $ 2.77 $ 3.84
Forfeiture rate 0.10 0.10
Minimum    
Disclosure of financial liabilities [line items]    
Average exercise price (in CAD per share) $ 0.60 $ 0.59
Risk free interest rate 3.15% 0.40%
Expected future volatility of Common Shares 70.00% 90.00%
Expected life 1 year 4 months 2 days 1 year 10 months 6 days
Maximum    
Disclosure of financial liabilities [line items]    
Average exercise price (in CAD per share) $ 9.53 $ 9.64
Risk free interest rate 3.71% 0.76%
Expected future volatility of Common Shares 95.00% 110.00%
Expected life 5 years 1 month 13 days 4 years 1 month 28 days
WARRANTS    
Disclosure of financial liabilities [line items]    
Average exercise price $ 2.50 $ 2.50
Risk free interest rate 0.0375 0.0046
Expected future volatility of Common Shares 0.7000 1.0500
Expected life 1 year 2 months 12 days 2 years 2 months 12 days
Forfeiture rate 0 0
PSUs    
Disclosure of financial liabilities [line items]    
Average exercise price $ 0 $ 0
Risk free interest rate 0.0316 0.0092
Expected future volatility of Common Shares 0.9000 0.8500
Expected life 4 years 10 months 28 days 5 years 7 months 9 days
Forfeiture rate 0.25 0.25
RSUs    
Disclosure of financial liabilities [line items]    
Average exercise price $ 0 $ 0
Risk free interest rate 0.0313 0.0088
Expected future volatility of Common Shares 0.8500 0.9000
Expected life 5 years 5 months 19 days 5 years 2 months 4 days
Forfeiture rate 0.06 0