Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues
Product revenues	$ 44,423	$ 45,804	$ 135,841	$ 108,749
Other revenues	498	470	1,603	656
Total revenues	44,921	46,274	137,444	109,405
Cost and expenses:
Cost of product revenues	30,456	20,820	81,032	55,734
Research and Development Expense	7,336	4,372	19,707	12,792
Selling, general and administrative	27,870	16,303	79,195	44,587
Total cost and expenses	65,662	41,495	179,934	113,113
Gain (loss) from operations	(20,741)	4,779	(42,490)	(3,708)
Interest expense	(1,177)	(1,202)	(3,391)	(2,947)
Interest benefit (expense) from changes in the fair value of long term debt	1,810	708	(312)	1,242
Other income (expense), net	2,478	(561)	(1,122)	(993)
Net (loss) income	(17,630)	3,724	(47,315)	(6,406)
Unrealized gain on available-for-sale securities	36		36
Comprehensive (loss) income	(17,594)	3,724	(47,279)	(6,406)
Net (loss) income attributable to common shares:
Net (loss) income attributable to common shares, basic	(17,630)	172	(47,315)	(6,406)
Net (loss) income attributable to common shares, diluted	$ (17,630)	$ 1,172	$ (47,315)	$ (6,406)
Weighted-average number of shares used in computing net loss per share:
Weighted-average number of shares used in computing net loss per share, basic	44,944	4,866	18,721	4,728
Weighted-average number of shares unused in computing net loss per share, diluted	44,944	36,931	18,721	4,728
Net (loss) income per share attributable to common shares:
Basic net (loss) income per share	$ (0.39)	$ 0.04	$ (2.53)	$ (1.35)
Diluted net (loss) income per share (in dollars per share)	$ (0.39)	$ 0.03	$ (2.53)	$ (1.35)