Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Employees [Member] Common Stock [Member]	Employees [Member] Additional Paid-in Capital [Member]	Employees [Member] Statutory Reserves [Member]	Employees [Member] Retained Earnings [Member]	Employees [Member] AOCI Attributable to Parent [Member]	Employees [Member] Noncontrolling Interest [Member]	Employees [Member]	Management [Member] Common Stock [Member]	Management [Member] Additional Paid-in Capital [Member]	Management [Member] Statutory Reserves [Member]	Management [Member] Retained Earnings [Member]	Management [Member] AOCI Attributable to Parent [Member]	Management [Member] Noncontrolling Interest [Member]	Management [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Statutory Reserves [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance															$ 12	$ 24,720	$ 2,607	$ 5,222	$ 3,625	$ (277)	$ 35,909
Balance (in shares) at Dec. 31, 2014															11,612,304
Balance at Dec. 31, 2014															$ 12	24,720	2,607	5,222	3,625	(277)	35,909
Restricted shares issued for services (in shares)															244,000
Restricted shares issued for services																414					414
Share-based compensation related to unvested shares granted to employees		$ 53					$ 53		$ 1,560					$ 1,560
Share-based compensation related to common stock purchase options issued to employees and directors																229					229
Share-based compensation related to restricted shares issued to management		$ 53					$ 53		1,560					1,560
Due to noncontrolling interest of VIE converted to paid-in capital of the VIE																				320	320
Goodwill allocated to disposal group attributable to noncontrolling interest																(448)				448
Net loss																		(9,092)		(91)	(9,183)
Foreign currency translation loss																			(1,569)	(25)	(1,594)
Balance (in shares) at Dec. 31, 2015															11,856,304
Balance at Dec. 31, 2015															$ 12	26,528	2,607	(3,870)	2,056	375	27,708
Balance															12	24,720	2,607	5,222	3,625	(277)	27,708
Balance															$ 12	26,528	2,607	(3,870)	2,056	375	27,708
Restricted shares issued for services (in shares)															36,000
Restricted shares issued for services																371					371
Share-based compensation related to unvested shares granted to employees									1,560					1,560
Share-based compensation related to common stock purchase options issued to employees and directors																201					201
Share-based compensation related to restricted shares issued to management									$ 1,560					$ 1,560
Net loss																		(6,492)		148	(6,344)
Foreign currency translation loss																			(1,356)	(21)	(1,377)
Balance (in shares) at Dec. 31, 2016															12,158,542
Balance at Dec. 31, 2016															$ 12	29,285	2,607	(10,362)	700	54	22,296
Share-based compensation related to unvested shares issued to employees (in shares)															266,238
Share-based compensation related to unvested shares issued to employees																177					177
Reverse of goodwill allocated to disposal group attributable to noncontrolling interest																448				(448)
Balance															12	26,528	2,607	(3,870)	2,056	375	22,296
Balance															$ 12	$ 29,285	$ 2,607	$ (10,362)	$ 700	$ 54	$ 22,296