Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating Expenses
Research and development	$ 6,364	$ 6,579	$ 14,749	$ 14,063
Sales and marketing	1,306	373	2,989	748
General and administrative	2,895	1,990	5,134	3,845
Amortization of intangible assets	1,786	126	3,603	251
Change in fair value of contingent consideration	944		1,800
Inventory write-down related to restructuring	2,565		2,565
Restructuring and other charges	3,085		3,085
Goodwill impairment	61,784		61,784
Total Operating Expenses	80,729	9,068	95,709	18,907
Operating Loss	(80,729)	(9,068)	(95,709)	(18,907)
Other Expense
Interest expense, net	(489)	(280)	(1,067)	(561)
Other income	95		95
Total Other Expense, net	(394)	(280)	(972)	(561)
Loss before income taxes	(81,123)	(9,348)	(96,681)	(19,468)
Income tax benefit	992		3,637
Net loss	(80,131)	(9,348)	(93,044)	(19,468)
Other comprehensive loss
Foreign currency translation (loss) gains	(2,286)		1,510
Comprehensive loss	$ (82,417)	$ (9,348)	$ (91,534)	$ (19,468)
Net loss per share - basic and diluted	$ (0.70)	$ (0.14)	$ (0.85)	$ (0.30)
Weighted average common shares outstanding - basic and diluted	114,319	68,105	109,290	65,937