XML 111 R78.htm IDEA: XBRL DOCUMENT v3.22.1
CAPITAL STOCK - Disclosure of detailed information about number and weighted average exercise prices of share options (Details)
 12 Months Ended
Dec. 31, 2021
Share
$ / shares
Dec. 31, 2020
Share
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [abstract]    
Number of share options outstanding in share-based payment arrangement at beginning of period | Share 6,382,400 6,714,700
Weighted average exercise price of share options outstanding in share-based payment arrangement at beginning of period | $ / shares $ 1.70 $ 1.30
Number of share options granted in share-based payment arrangement | Share 1,801,500 1,645,500
Weighted average exercise price of share options granted in share-based payment arrangement | $ / shares $ 3.98 $ 2.62
Number of share options exercised in share-based payment arrangement | Share (1,055,400) (1,967,800)
Weighted average exercise price of share options exercised in share-based payment arrangement | $ / shares $ 1.33 $ 1.10
Number of share options forfeited in share-based payment arrangement | Share (20,000) (10,000)
Weighted average exercise price of share options forfeited in share-based payment arrangement | $ / shares $ 3.96 $ 1.70
Number of share options outstanding in share-based payment arrangement at end of period | Share 7,108,500 6,382,400
Weighted average exercise price of share options outstanding in share-based payment arrangement at end of period | $ / shares $ 2.33 $ 1.70
Number of share options exercisable in share-based payment arrangement | Share 7,098,500  
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ / shares $ 2.32