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Financial risks (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
CAD ($)
Dec. 31, 2022
CAD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Revenue $ 31,625 $ 64,046
Foreign exchange risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Net exposure in functional currency $ 33,392 64,656
Percentage of increase in exchange rate 5  
Variation of net loss $ 1,700 1,700
Foreign exchange risk | U.S. dollars    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Net currency exposure 25,248 47,738
Foreign exchange risk | U.S. dollars | Cash    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Net currency exposure 20,110 54,242
Foreign exchange risk | U.S. dollars | Accounts receivable    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Net currency exposure 1,724 921
Foreign exchange risk | U.S. dollars | Accounts payable    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Net currency exposure 3,413 $ (7,425)
Commodity price risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Revenue 31,600  
Other price risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Decrease in other comprehensive income (loss) $ 2,200  
Percentage of increase in equity prices of the long-term investments 10