v3.22.2.2
SHARE CAPITAL - Disclosure of detailed information about outstanding stock options (Details)
 12 Months Ended
Aug. 31, 2022
$ / shares
Aug. 31, 2022
Share
Aug. 31, 2022
shares
Aug. 31, 2021
Share
$ / shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 2.77     $ 3.84
Quantity outstanding (in shares)   11,050,939 11,050,939 7,797,273
Weighted Average Remaining Contractual Life (years) 8 years 1 month 6 days      
Quantity exercisable (in shares) | shares     7,010,218  
Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted Average Remaining Contractual Life (years) 2 years      
Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted Average Remaining Contractual Life (years) 3 years      
$0.30 - $1.93        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     5,583,849  
Weighted Average Remaining Contractual Life (years) 9 years      
Quantity exercisable (in shares) | shares     2,371,562  
$0.30 - $1.93 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 0.30      
$0.30 - $1.93 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 1.93      
$1.94 - $2.22        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     1,045,000  
Weighted Average Remaining Contractual Life (years) 7 years 10 months 24 days      
Quantity exercisable (in shares) | shares     757,500  
$1.94 - $2.22 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 1.94      
$1.94 - $2.22 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 2.22      
$2.23 - $2.56        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     120,000  
Weighted Average Remaining Contractual Life (years) 8 years 2 months 12 days      
Quantity exercisable (in shares) | shares     79,466  
$2.23 - $2.56 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 2.23      
$2.23 - $2.56 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 2.56      
$2.57 - $3.18        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     1,177,578  
Weighted Average Remaining Contractual Life (years) 7 years 4 months 24 days      
Quantity exercisable (in shares) | shares     829,178  
$2.57 - $3.18 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 2.57      
$2.57 - $3.18 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 3.18      
$3.19 - $3.68        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     1,016,400  
Weighted Average Remaining Contractual Life (years) 7 years 2 months 12 days      
Quantity exercisable (in shares) | shares     864,400  
$3.19 - $3.68 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 3.19      
$3.19 - $3.68 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 3.68      
$3.69 - $5.08        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     1,056,011  
Weighted Average Remaining Contractual Life (years) 6 years 2 months 12 days      
Quantity exercisable (in shares) | shares     1,056,011  
$3.69 - $5.08 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 3.69      
$3.69 - $5.08 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 5.08      
$5.09 - $11.27        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Quantity outstanding (in shares) | shares     1,052,101  
Weighted Average Remaining Contractual Life (years) 6 years 6 months      
Quantity exercisable (in shares) | shares     1,052,101  
$5.09 - $11.27 | Bottom of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 5.09      
$5.09 - $11.27 | Top of range        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Average exercise price (in CAD per share) | $ / shares $ 11.27     $ 11.27