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Share capital and warrants - Additional Information (Details)
$ / shares in Units, $ in Millions
Mar. 17, 2023
CAD ($)
Dec. 31, 2023
$ / shares
shares
Mar. 17, 2023
$ / shares
shares
Mar. 17, 2023
$ / shares
shares
Mar. 16, 2023
$ / shares
Mar. 16, 2023
$ / shares
Dec. 31, 2022
$ / shares
Dec. 31, 2021
$ / shares
Share capital and warrants                
Warrants exercise price | (per share)   $ 12.93 $ 10.70   $ 18.00   $ 17.86 $ 30.00
Number of warrants to purchase common stock     1 1        
Increase in fair value of amended share purchase warrants classified as equity instruments | $ $ 4.5              
Brokered private placement                
Share capital and warrants                
Warrants exercise price | $ / shares   $ 14.75   $ 14.75   $ 22.80    
Number of warrants to purchase common stock   1            
Non-brokered private placement                
Share capital and warrants                
Warrants exercise price | (per share)   $ 10.70 $ 10.70   $ 18.00      
Number of warrants to purchase common stock   1