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Consolidated Statements of Changes in Shareholders' Equity - CAD ($)
$ in Thousands
Total
Common shares
Treasury shares
Additional paid-in capital
Retained earnings (deficit)
Accumulated other comprehensive income
Beginning balance at Dec. 31, 2020 $ 248,443 $ 255,064 $ (18,002) $ 46,536 $ (35,155) $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 51,408       51,408  
Unrealized foreign currency translation gain 2         2
Dividends (4,390)       (4,390)  
Exercise of stock options 519 859   (340)    
Share purchase programs (16,519) (8,979)   (7,540)    
Purchase of treasury shares (5,500)   (5,500)      
Stock-based compensation 4,500   5,700 (1,200)    
Ending balance at Dec. 31, 2021 278,463 246,944 (17,802) 37,456 11,863 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 67,372       67,372  
Unrealized foreign currency translation gain 304         304
Dividends (8,734)       (8,734)  
Share purchase programs (34,132) (17,489)   (16,643)    
Purchase of treasury shares (2,030)   (2,030)      
Stock-based compensation 4,676   3,394 1,282    
Ending balance at Dec. 31, 2022 $ 305,919 $ 229,455 $ (16,438) $ 22,095 $ 70,501 $ 306