Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue	$ 1,466		$ 1,466
Cost of revenue	1,031		1,031
Gross profit	435		435
Operating Expenses
Research and development	7,011	$ 7,048	21,760	$ 21,111
Sales and marketing	2,574	413	5,563	1,161
General and administrative	2,793	1,762	7,927	5,607
Amortization of intangible assets	1,709	338	5,312	589
Change in fair value of contingent consideration	(100)		1,700
Inventory write-down related to restructuring			2,565
Restructuring and other charges			3,085
Goodwill impairment			61,784
Acquisition related costs		4,003		4,003
Total Operating Expenses	13,987	13,564	109,696	32,471
Operating Loss	(13,552)	(13,564)	(109,261)	(32,471)
Other Expense
Interest expense, net	(432)	(436)	(1,499)	(997)
Other (expense) income	(30)		65
Total Other Expense, net	(462)	(436)	(1,434)	(997)
Loss before income taxes	(14,014)	(14,000)	(110,695)	(33,468)
Income tax benefit	1,070	99	4,707	99
Net loss	(12,944)	(13,901)	(105,988)	(33,369)
Other comprehensive gain (loss)
Foreign currency translation gain (loss)	689	(429)	2,199	(429)
Comprehensive loss	$ (12,255)	$ (14,330)	$ (103,789)	$ (33,798)
Net loss per share - basic and diluted	$ (0.11)	$ (0.16)	$ (0.95)	$ (0.46)
Weighted average common shares outstanding - basic and diluted	114,946	86,044	111,189	72,713