Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Other expenses (income) - (Details)

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Other expenses (income) - (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Finance Income [Abstract]    
Interest income $ (2,234) $ (1,040)
Loss on sale of short term investments 0 338
Interest income (2,234) (702)
Other - Other Expense (Income) [Abstract]    
Revaluation adjustment on contingent consideration (note 10) 236 502
Foreign exchange loss (gain) and other (67) 3
Loss on disposal of equipment 0 1
Other expense (income), classified under other expense (income) 169 506
Other expense (income) (note 13) $ (2,065) $ (196)