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Leases - Lease obligations (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Leases [Abstract]    
Balance – Beginning of period $ 4,001  
Additions 286  
Interest accretion 207  
Lease repayments (1,044)  
Effects of foreign exchange (349)  
Balance – End of period 3,101  
Current 1,253 $ 1,311
Non-current $ 1,848 $ 2,690