Condensed Unaudited Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net product sales	$ 109,167	$ 115,476	$ 232,610	$ 229,782
Cost of products sold	87,374	93,893	189,146	186,861
Gross profit	21,793	21,583	43,464	42,921
Gain on other sales	713	8,226	2,371	9,135
Less: Operating expenses
Selling expenses	4,046	4,327	7,670	7,369
General and administrative expenses	3,787	3,776	8,235	7,322
Research and development expenses	6,413	5,180	12,306	11,068
Total operating expenses	14,246	13,283	28,211	25,759
Income from operations	8,260	16,526	17,624	26,297
Other income, net	271	139	365	378
Interest expense	(65)	(546)	(540)	(824)
Financial income, net	709	518	1,463	1,010
Income before income tax expenses and equity in earnings of affiliated companies	9,175	16,637	18,912	26,861
Less: Income taxes	1,645	3,126	3,055	5,101
Equity in earnings of affiliated companies	98	75	164	137
Net income	7,628	13,586	16,021	21,897
Net income (loss) attributable to non-controlling interests	(31)	2,580	(150)	4,116
Net income attributable to parent company’s common shareholders	7,659	11,006	16,171	17,781
Comprehensive income:
Net income	7,628	13,586	16,021	21,897
Other comprehensive income:
Foreign currency translation gain (loss), net of tax	1,436	(25)	161	(2,422)
Comprehensive income	9,064	13,561	16,182	19,475
Comprehensive income (loss) attributable to non-controlling interests	34	2,576	(167)	3,712
Comprehensive income attributable to parent company	$ 9,030	$ 10,985	$ 16,349	$ 15,763
Net income attributable to parent company’s common shareholders per share
Basic - (in dollars per share)	$ 0.24	$ 0.39	$ 0.50	$ 0.63
Diluted- (in dollars per share)	$ 0.24	$ 0.39	$ 0.50	$ 0.63
Weighted average number of common shares outstanding
Basic (in shares)	32,121,019	28,043,019	32,121,019	28,043,019
Diluted (in shares)	32,138,438	28,064,376	32,136,585	28,063,939