Accounts Payable and Accrued Liabilities

12 Months Ended

Dec. 31, 2016

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

13. Accounts Payable and Accrued Liabilities

	December 31,
	2016		2015
			(Restated)
Trade payables	$	1,834	$	1,715
Machinery and equipment payables		3,990		2,220
Accrued expenses		8,597		9,647
Value added tax payable		289		260
Other tax payable		759		318
Withholding tax payable		163		238
Bonus and benefit payables		5,320		5,231
Other payables		4,008		3,032
Total accounts payable and accrued liabilities	$	24,960	$	22,661