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Leases - Right-of-use Assets and Lease Liabilities (Details)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CAD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CAD ($)
Right-Of-Use Assets [Abstract]          
Right-of-use assets, beginning balance $ 584   $ 372    
Additions   $ 0   $ 210  
Lease modification 0   324    
Depreciation expense (299)   (322)    
Foreign exchange impact 11   0    
Right-of-use assets, ending balance 296   584   $ 372
Lease Liabilities [Abstract]          
Lease liabilities, beginning balance 655   402    
Additions   $ 0   $ 203  
Lease modification 0   324    
Payment of lease liabilities (381)   (366)   (461)
Interest expense on lease liabilities 80   92    
Foreign exchange impact 19   0    
Lease liabilities, ending balance $ 373   $ 655   $ 402