Consolidated Statements of Income (Loss) and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
SALES	$ 87,956	$ 92,785
COST OF SALES	58,598	61,440
GROSS PROFIT	29,358	31,345
OPERATING EXPENSES
Selling expenses	21,008	22,225
General and administrative expenses	7,529	7,674
Total operating expenses	28,537	29,899
INCOME FROM OPERATIONS	821	1,446
OTHER INCOME (EXPENSE)
Interest income	207	326
Interest expense	(363)	(564)
Other income (expenses)	(295)	136
Total other expenses	(451)	(102)
INCOME BEFORE INCOME TAX EXPENSE	370	1,344
INCOME TAX EXPENSE	(825)	(757)
NET INCOME(LOSS)	(455)	587
Net income(loss) attributable to the non-controlling interest	(66)	228
NET INCOME(LOSS) ATTRIBUTABLE TO THE COMPANY	(521)	815
NET INCOME(LOSS)	(455)	587
Foreign currency translation gain	3,972	4,023
COMPREHENSIVE INCOME	3,517	4,610
Comprehensive loss attributable to the noncontrolling interest	100	270
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE COMPANY	$ 3,617	$ 4,880
EARNINGS(LOSS) PER SHARE:
Basic and diluted	$ (0.04)	$ 0.06
Weighted average number of shares outstanding Basic and diluted	14,800,140	14,795,992