Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Private Placement [Member] Common Stock [Member]	Private Placement [Member] Additional Paid-in Capital [Member]	Private Placement [Member] Statutory Reserves [Member]	Private Placement [Member] Retained Earnings [Member]	Private Placement [Member] AOCI Attributable to Parent [Member]	Private Placement [Member] Noncontrolling Interest [Member]	Private Placement [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 (in shares) at Dec. 31, 2017								13,982,542
Balance at Dec. 31, 2017								$ 14	$ 31,554	$ 2,607	$ (20,487)	$ 1,598	$ 177	$ 15,463
Share-based compensation									151					151
Net loss for the period														(10,124)
Net loss for the period											(10,069)
Net loss for the period													(55)
Foreign currency translation adjustment												188	6	194
Issuance of common stock for private placement (in shares)	2,150,001
Issuance of common stock for private placement	$ 2	$ 7,986					$ 7,988
Purchase noncontrolling interest in a Variable Interest Entity									(1,838)				(130)	(1,968)
Balance (in shares) at Jun. 30, 2018								16,132,543
Balance at Jun. 30, 2018								$ 16	37,853	2,607	(30,556)	1,786	(2)	11,704
Balance (in shares) at Dec. 31, 2017								13,982,542
Balance at Dec. 31, 2017								$ 14	31,554	2,607	(20,487)	1,598	177	15,463
Net loss for the period														(12,963)
Net loss for the period														(12,888)
Foreign currency translation adjustment														24
Balance (in shares) at Sep. 30, 2018								16,132,543
Balance at Sep. 30, 2018								$ 16	37,917	2,607	(33,375)	1,616	(22)	8,759
Balance (in shares) at Jun. 30, 2018								16,132,543
Balance at Jun. 30, 2018								$ 16	37,853	2,607	(30,556)	1,786	(2)	11,704
Share-based compensation									64					64
Net loss for the period														(2,973)
Net loss for the period											(2,953)			(2,953)
Net loss for the period													(20)
Foreign currency translation adjustment											134	(170)		(36)
Balance (in shares) at Sep. 30, 2018								16,132,543
Balance at Sep. 30, 2018								$ 16	37,917	2,607	(33,375)	1,616	(22)	8,759
Balance (in shares) at Dec. 31, 2018								16,382,543
Balance at Dec. 31, 2018								$ 16	38,275	2,607	(34,512)	1,457	(49)	7,794
Share-based compensation (in shares)								30,000
Share-based compensation									26					26
Net loss for the period														(1,522)
Net loss for the period											(1,517)
Net loss for the period													(5)
Foreign currency translation adjustment												24		24
Balance (in shares) at Jun. 30, 2019								16,412,543
Balance at Jun. 30, 2019								$ 16	38,301	2,607	(36,029)	1,481	(54)	6,322
Balance (in shares) at Dec. 31, 2018								16,382,543
Balance at Dec. 31, 2018								$ 16	38,275	2,607	(34,512)	1,457	(49)	7,794
Net loss for the period														(1,913)
Net loss for the period														(1,905)
Foreign currency translation adjustment														97
Balance (in shares) at Sep. 30, 2019								18,020,973
Balance at Sep. 30, 2019								$ 18	40,706	2,607	(36,417)	1,552	(55)	8,411
Balance (in shares) at Jun. 30, 2019								16,412,543
Balance at Jun. 30, 2019								$ 16	38,301	2,607	(36,029)	1,481	(54)	6,322
Share-based compensation									14					14
Net loss for the period														(391)
Net loss for the period											(388)			(388)
Net loss for the period													(3)
Foreign currency translation adjustment												71	2	73
Issuance of common stock for private placement (in shares)	1,608,430
Issuance of common stock for private placement	$ 2	$ 2,391					$ 2,393
Balance (in shares) at Sep. 30, 2019								18,020,973
Balance at Sep. 30, 2019								$ 18	$ 40,706	$ 2,607	$ (36,417)	$ 1,552	$ (55)	$ 8,411