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Accounts Payable and Accrued Liabilities

12 Months Ended

Dec. 31, 2017

Trade and other current payables [abstract]

Accounts Payable and Accrued Liabilities



14. ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

Accounts payable and accrued liabilities consist of:



		December 31, 2017				December 31, 2016
Trade accounts payable⁽¹⁾		$	47,138			$	45,344
Royalties payable		4,896				4,612
Other accounts payable and trade related accruals		29,690				48,767
Payroll and related benefits		29,329				24,971
Severance accruals		1,092				688
Other taxes payable		3,439				1,791
Advances on concentrate inventory		—				33
Other		24,114				17,296
		$	139,698			$	143,502


(1)	No interest is charged on the trade accounts payable ranging from 30 to 60 days from the invoice date. The Company has policies in place to ensure that all payables are paid within the credit terms.