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Financial Instruments - Currency risk sensitivity analysis (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
CAD ($)
Financial Instruments  
Increase in Loss from continuing operations if U.S. dollar currency weakened 10% against functional currencies $ 92
Decrease in Loss from continuing operations if U.S. dollar currency strengthened 10% against functional currencies (102)
Decrease in Loss from continuing operations if Euro weakened 10% against functional currencies 1,909
Increase in Loss from continuing operations if Euro strengthened 10% against functional currencies (1,909)
Decrease in Loss from continuing operations if Canadian dollar weakened 10% against functional currencies 2,745
Increase in Loss from continuing operations if Canadian dollar strengthened 10% against functional currencies $ (2,745)