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Share based payments - Long-term incentive plan (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CAD ($)
item
Y
$ / shares
Dec. 31, 2021
CAD ($)
item
Y
$ / shares
Nov. 15, 2022
$ / shares
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price of option     $ 2.52
Stock options      
Disclosure of range of exercise prices of outstanding share options [line items]      
Options granted to employees | item 461,162 51,389  
Exercisable term 5 years 5 years  
Exercise price of option $ 4.95    
Fair value of option at grant date | $ $ 1,049 $ 164  
Expected life | Y   2.5  
Expected dividends 0.00% 0.00%  
Minimum | Stock options      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price of option $ 3.21 $ 6.21  
Risk-free rate 1.24% 0.20%  
Expected life | Y 2.5    
Expected volatility 68.53% 69.72%  
Share price $ 3.21 $ 6.12  
Maximum | Stock options      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price of option $ 5.76 $ 7.29  
Risk-free rate 4.06% 0.92%  
Expected life | Y 4.87    
Expected volatility 70.40% 83.57%  
Share price $ 5.85 $ 7.83