CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Product	$ 9,154	$ 3,792	$ 316
Manufacturing			113
Profit sharing			169
Development			160
Net sales	9,154	3,792	758
Cost of Goods Sold	11,437	5,929	3,391
Gross loss	(2,283)	(2,137)	(2,633)
Operating Expenses
Research and development	12,207	11,691	10,574
Selling and marketing expenses	49,291	5,672	229
General and administrative expenses	12,625	7,078	5,036
Loss from operations	(76,406)	(26,578)	(18,472)
Interest expense	(6,937)	(3,721)	(2,520)
Loss on debt extinguishment	(1,187)		(445)
Other income, net	1,215	831	837
Change in fair value of earnout and warrant liabilities	(18)	(1,313)	(249)
Net loss	(83,333)	(30,781)	(20,849)
Preferred stock accretion to redemption value		(1,169)	(1,118)
Preferred stock dividends		(1,221)	(2,185)
Net loss attributable to common stock	$ (83,333)	$ (33,171)	$ (24,152)
Weighted average common shares outstanding
Weighted average common shares outstanding used to compute net loss per share, basic and diluted	16,052,390	7,581,881	876,318
Net loss per share of common stock, basic and diluted
Net loss per share of common stock, basic and diluted:	$ (5.19)	$ (4.38)	$ (27.56)