Other Payables and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Summary of other payables and accrued liabilities
Accrued professional fees	$ 70	$ 83
Advance from customers	1,205	1,583
Accrued wages and welfare	7,554	6,670
Other payables	13,392	12,575
Total other payables and accrued liabilities	$ 22,221	$ 20,911