CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Product sales, net	$ 15,422	$ 10,510
Research and development services and other income	235	161
Total revenues	15,657	10,671
Costs and Expenses:
Cost of revenues	7,702	5,043
Selling, general and administrative expenses	3,407	1,900
Product development and research expenses	3,711	2,630
Total costs and expenses	14,820	9,573
Operating income	837	1,098
Other Income (Expense):
Change in the fair value of derivative liability	0	8,625
Foreign currency exchange gain	1,553	0
Interest and other expense, net	(3,318)	(3,168)
(Loss) income before income tax expense	(928)	6,555
Income tax expense	22	0
Net (loss) income	$ (950)	$ 6,555
Basic earnings (loss) per share	$ (0.02)	$ 0.12
Diluted earnings (loss) per share	$ (0.02)	$ 0.01
Weighted average shares of common stock outstanding:
Basic (in shares)	53,031,351	52,841,900
Diluted (in shares)	53,031,351	67,210,177