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SHARE CAPITAL - Options Outstanding and Exercisable (Details)
 12 Months Ended
Dec. 31, 2022
shares
$ / shares
Dec. 31, 2021
$ / shares
Apr. 07, 2021
$ / shares
Dec. 31, 2020
$ / shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted average exercise price C$ (in dollars per share) $ 2.30 $ 2.21 $ 2.19 $ 2.15
Weighted average remaining life in years 3 years 3 days      
Options # (in shares) | shares 5,998,738      
Weighted average exercise price C$ (in dollars per share) $ 2.17      
Weighted average remaining life in years 2 years 7 months 17 days      
Exercise Price, Range 1        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted average exercise price C$ (in dollars per share) $ 1.38      
Weighted average remaining life in years 1 year 11 months 26 days      
Options # (in shares) | shares 2,280,800      
Weighted average exercise price C$ (in dollars per share) $ 1.29      
Weighted average remaining life in years 1 year 8 months 26 days      
Exercise Price, Range 2        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted average exercise price C$ (in dollars per share) $ 2.60      
Weighted average remaining life in years 3 years 10 months 24 days      
Options # (in shares) | shares 1,017,774      
Weighted average exercise price C$ (in dollars per share) $ 2.58      
Weighted average remaining life in years 3 years 7 months 17 days      
Exercise Price, Range 3        
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]        
Weighted average exercise price C$ (in dollars per share) $ 2.81      
Weighted average remaining life in years 3 years 1 month 20 days      
Options # (in shares) | shares 2,700,164      
Weighted average exercise price C$ (in dollars per share) $ 2.76      
Weighted average remaining life in years 3 years 7 days      
Minimum | Exercise Price, Range 1        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) $ 1.18      
Minimum | Exercise Price, Range 2        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) 2.45      
Minimum | Exercise Price, Range 3        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) 2.65      
Maximum | Exercise Price, Range 1        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) 2.44      
Maximum | Exercise Price, Range 2        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) 2.64      
Maximum | Exercise Price, Range 3        
Disclosure Of Range Of Exercise Prices Of Outstanding Share Options [Line Items]        
Exercise price CAD (in dollars per share) $ 3.67