Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Ordinary Shares [Member]	Additional Paid in Capital [Member]	Legal Reserve [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total Shareholders' Equity [Member]	Non-Controlling Interest [Member]	Total
Balance beginning at Dec. 31, 2017	$ 3	$ 125,317	$ 1,367	$ 22,212	$ (28,651)	$ 120,248	$ 1,417	$ 121,665
Balance beginning, shares at Dec. 31, 2017	34,836,575
Issuance of common stock		34				34		34
Issuance of common stock, shares	4,564
Adoption of ASC 606				(187)		(187)		(187)
Stock dividend	$ 1	4,128		(4,947)		(818)		(818)
Stock dividend, shares	499,080
Foreign currency translation					8,701	8,701		8,701
Net Income				10,691		10,691	(72)	10,619
Balance ending at Mar. 31, 2018	$ 4	129,479	1,367	27,769	(19,950)	138,669	1,345	140,014
Balance ending, shares at Mar. 31, 2018	35,340,219
Balance beginning at Dec. 31, 2017	$ 3	125,317	1,367	22,212	(28,651)	120,248	1,417	121,665
Balance beginning, shares at Dec. 31, 2017	34,836,575
Foreign currency translation								2,562
Net Income								6,749
Balance ending at Jun. 30, 2018	$ 4	148,375	1,367	19,029	(26,089)	142,686	1,133	143,819
Balance ending, shares at Jun. 30, 2018	37,041,669
Balance beginning at Mar. 31, 2018	$ 4	129,479	1,367	27,769	(19,950)	138,669	1,345	140,014
Balance beginning, shares at Mar. 31, 2018	35,340,219
Issuance of common stock		14,500				14,500		14,500
Issuance of common stock, shares	1,238,095
Adoption of ASC 606
Stock dividend		4,396		(5,082)		(686)		(686)
Stock dividend, shares	463,355
Foreign currency translation					(6,139)	(6,139)		(6,139)
Net Income				(3,658)		(3,658)	(212)	(3,870)
Balance ending at Jun. 30, 2018	$ 4	148,375	1,367	19,029	(26,089)	142,686	1,133	143,819
Balance ending, shares at Jun. 30, 2018	37,041,669
Balance beginning at Dec. 31, 2018	$ 4	157,604	1,367	10,439	(37,058)	132,356	872	133,228
Balance beginning, shares at Dec. 31, 2018	38,092,996
Issuance of common stock		33,050				33,050		33,050
Issuance of common stock, shares	5,000,000
Stock dividend		5,162		(6,109)		(947)		(947)
Stock dividend, shares	538,657
Foreign currency translation					1,770	1,770		1,770
Net Income				7,338		7,338	(7)	7,331
Balance ending at Mar. 31, 2019	$ 4	195,816	1,367	11,668	(35,288)	173,567	865	174,432
Balance ending, shares at Mar. 31, 2019	43,631,653
Balance beginning at Dec. 31, 2018	$ 4	157,604	1,367	10,439	(37,058)	132,356	872	133,228
Balance beginning, shares at Dec. 31, 2018	38,092,996
Foreign currency translation								(282)
Net Income								14,991
Balance ending at Jun. 30, 2019	$ 4	203,660	1,367	12,867	(37,340)	180,558	1,046	181,604
Balance ending, shares at Jun. 30, 2019	44,858,442
Balance beginning at Mar. 31, 2019	$ 4	195,816	1,367	11,668	(35,288)	173,567	865	174,432
Balance beginning, shares at Mar. 31, 2019	43,631,653
Issuance of common stock		3,428				3,428		3,428
Issuance of common stock, shares	551,423
Stock dividend		4,416		(6,280)		(1,864)		(1,864)
Stock dividend, shares	675,366
Foreign currency translation					(2,052)	(2,052)		(2,052)
Net Income				7,479		7,479	181	7,660
Balance ending at Jun. 30, 2019	$ 4	$ 203,660	$ 1,367	$ 12,867	$ (37,340)	$ 180,558	$ 1,046	$ 181,604
Balance ending, shares at Jun. 30, 2019	44,858,442