Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Accounts Payable and Accrued Liabilities

Schedule of accounts payable and accrued liabilities

	December 31, 2012		December 31, 2013
Trade payables	$	2,170	$	6,063
Machinery and equipment payables	3,788		2,270
Accrued expenses	7,514		8,669
Value added tax payable	167		208
Other tax payable	617		576
Withholding personal income tax	1,240		1,511
Bonus and benefit payables	6,776		5,244
Other payables	2,506		3,496
Total	$	24,778	$	28,037