Condensed Unaudited Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Condensed Unaudited Consolidated Statements of Operations and Comprehensive Income
Net product sales	$ 114,417	$ 100,542	$ 271,156	$ 315,483
Cost of products sold	100,842	83,225	238,598	268,936
Gross profit	13,575	17,317	32,558	46,547
Gain on other sales	1,497	1,102	2,935	4,856
Less: Operating expenses
Selling expenses	3,800	3,563	8,895	10,507
General and administrative expenses	5,142	4,429	13,330	13,453
Research and development expenses	6,072	5,988	17,390	19,343
Total operating expenses	15,014	13,980	39,615	43,303
Income from operations	58	4,439	(4,122)	8,100
Other income	350	171	1,724	1,131
Interest expense	(403)	(787)	(1,214)	(2,086)
Financial (expense)/income, net	(2,313)	1,552	(2,903)	2,439
(Loss)/income before income tax expenses and equity in earnings/(loss) of affiliated companies	(2,308)	5,375	(6,515)	9,584
Less: Income tax (benefit)/expense	(189)	948	294	1,820
Equity in earnings/(loss) of affiliated companies	3,632	(226)	3,454	(222)
Net income	1,513	4,201	(3,355)	7,542
Less: Net loss attributable to non-controlling interests	(848)	(113)	(1,590)	(688)
Accretion to redemption value of redeemable non-controlling interest	(3)	0	(3)	0
Net income attributable to parent company's common shareholders	2,358	4,314	(1,768)	8,230
Comprehensive income:
Net income	1,513	4,201	(3,355)	7,542
Other comprehensive income:
Foreign currency translation income/(loss), net of tax	12,774	(9,703)	8,171	(10,221)
Comprehensive income/(loss)	14,287	(5,502)	4,816	(2,679)
Comprehensive income/(loss) attributable to non-controlling interests	80	(837)	(1,059)	(1,454)
Comprehensive income/(loss) attributable to parent company	$ 14,207	$ (4,665)	$ 5,875	$ (1,225)
Net income attributable to parent company's common shareholders per share -
Basic - (in dollars per share)	$ 0.08	$ 0.14	$ (0.06)	$ 0.26
Diluted- (in dollars per share)	$ 0.08	$ 0.14	$ (0.06)	$ 0.26
Weighted average number of common shares outstanding -
Basic (in shares)	31,112,076	31,492,035	31,153,162	31,498,553
Diluted (in shares)	31,113,374	31,492,035	31,153,619	31,501,108