Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional paid-in capital	Retained Earnings, Unrestricted	Retained Earnings, Statutory reserve	Accumulated other Comprehensive income	Amounts due From related party	Total equity attributable to stockholders of the Company	Non- controlling Interest
Beginning Balance at Dec. 31, 2014	$ 72,652	$ 15	$ 3,587	$ 67,660	$ 12,537	$ 8,277	$ (19,424)	$ 72,652
Beginning Balance, Shares at Dec. 31, 2014		14,784,094
Stock issued for compensation	10	$ 0	10					10
Stock issued for compensation, Shares		1,774
Net income (loss)	13,305			13,569				13,569	$ (264)
Transfer to reserve				(2,790)	2,790
Net cash paid to related party under counter guarantee agreement	(2,352)						(2,352)	(2,352)
Acquisition of Shanghai Yiduo	204								204
Foreign currency translation loss	(5,029)					(5,028)		(5,028)	(1)
Ending Balance at Dec. 31, 2015	78,790	$ 15	3,597	78,439	15,327	3,249	(21,776)	78,851	(61)
Ending Balance, Shares at Dec. 31, 2015		14,785,868
Stock issued for compensation	5	$ 0	5					5
Stock issued for compensation, Shares		2,072
Net income (loss)	6,184			6,764				6,764	(580)
Transfer to reserve				(1,780)	1,780
Net cash paid to related party under counter guarantee agreement	5,840						5,840	5,840
Foreign currency translation loss	(6,546)					(6,546)		(6,546)	29
Ending Balance at Dec. 31, 2016	$ 84,302	$ 15	$ 3,602	$ 83,423	$ 17,107	$ (3,297)	$ (15,936)	$ 84,914	$ (612)
Ending Balance, Shares at Dec. 31, 2016		14,787,940