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CAPITAL STOCK - Disclosure of detailed information about change in restricted share units outstanding (Details) - Share
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of terms and conditions of share-based payment arrangement [abstract]    
Restricted share units, beginning of period 1,076,000 958,500
Vested (326,500) (312,500)
Granted 470,000 430,000
Restricted share units, end of period 1,219,500 1,076,000