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Accounts receivable
12 Months Ended
Dec. 31, 2018
Trade And Other Receivables [Abstract]  
Accounts receivable

6. Accounts receivable

20182017
Trade receivables$392,865$392,759
GST/VAT receivables3,7113,611
Other receivables5,774454
Total$402,350$396,824

The Company’s exposure to credit and currency risks as well as credit losses related to trade and other receivables, excluding goods and services tax (GST)/value added tax (VAT) receivables, is disclosed in note 26.