CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Product	$ 3,792	$ 316
Manufacturing		113	$ 137
Profit sharing		169	226
Development		160	681
Net Sales	3,792	758	1,044
Cost of Goods Sold	5,547	3,354	2,534
Gross loss	(1,755)	(2,596)	(1,490)
Operating Expenses
Research and Development	11,887	10,601	9,974
Selling and marketing expenses	5,462	212	153
General and administrative expenses	7,474	5,063	5,471
Loss from operations	(26,578)	(18,472)	(17,088)
Interest Expense	(3,721)	(2,954)	(2,115)
Other Income, net	831	826	603
Change in fair value of earnout and warrant liabilities	(1,313)	(249)
Net loss from continuing operations	(30,781)	(20,849)	(18,600)
Loss from discontinued operations, including $544 of impairment charges in 2013			(437)
Net loss	(30,781)	(20,849)	(19,037)
Net loss from continuing operations attributable to common stock
Net loss from continuing operations	(30,781)	(20,849)	(18,600)
Preferred Stock Accretion to Redemption Value	(1,169)	(1,118)	(1,227)
Preferred Stock Dividends	(1,221)	(2,185)	(2,185)
Net loss from continuing operations attributable to common stock	(33,171)	(24,152)	(22,012)
Net loss attributable to common stock
Loss from discontinued operations, including $544 of impairment charges in 2013			(437)
Net loss	(30,781)	(20,849)	(19,037)
Preferred Stock Accretion to Redemption Value	(1,169)	(1,118)	(1,227)
Preferred Stock Dividends	(1,221)	(2,185)	(2,185)
Net loss attributable to common stock	$ (33,171)	$ (24,152)	$ (22,449)
Weighted average common shares outstanding
Weighted average common shares outstanding used to compute net loss per share, basic and diluted	7,581,881	876,318	788,964
Net loss per share attributable to common stock, basic and diluted
Net loss per share from continuing operations attributable to common stock	$ (4.38)	$ (27.56)	$ (27.90)
Loss per share from discontinued operations			(0.55)
Net loss per share attributable to common stock	$ (4.38)	$ (27.56)	$ (28.45)