Accounts Payable and Accrued Liabilities (Table)

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

	December 31,
	2018		2017
Trade payables	$	5,530	$	6,780
Machinery and equipment payables		861		2,191
Accrued expenses		26,810		32,620
Value added tax payable		420		239
Other tax payable		1,361		619
Withholding tax payable		71		75
Bonus and benefit payables		6,219		8,213
Other payables		8,719		8,681
Total accounts payable and accrued liabilities	$	49,991	$	59,418