Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity Deficit - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Series C Convertible Preferred Stock	Private Placement	Convertible Preferred Stock	Convertible Preferred Stock Series C Convertible Preferred Stock	Common Stock	Common Stock Private Placement	Common Stock Mirax	Additional Paid-in Capital	Additional Paid-in Capital Private Placement	Accumulated Deficit
Temporary equity balance at Dec. 31, 2014	$ 145,110	$ 30,027		$ 145,110
Temporary equity balance, shares at Dec. 31, 2014	27,654,928	5,184,589		27,654,928
Balance at Dec. 31, 2014	$ (150,623)					$ 9			$ 1,414		$ (152,046)
Balance, shares at Dec. 31, 2014						907,037
Issuance of common stock from option exercises (unaudited)	$ 19								19
Issuance of common stock from option exercises (unaudited), shares	26,555					26,555
Stock-based compensation (unaudited)	$ 531								531
Issuance of Series C convertible preferred stock value					$ 15,729
Issuance stock					2,727,059
Conversion of convertible preferred stock to common stock in connection with the Merger (unaudited)	160,839			$ (160,839)		$ 304			160,535
Conversion of convertible preferred stock to common stock in connection with the shares merger				(30,381,987)		30,381,987
Issuance of common stock value private placement			$ 26,224				$ 59			$ 26,165
Issuance stock							5,884,504	1,000,005
Conversion of convertible preferred stock warrants to common stock warrants (unaudited)	93								93
Issuance of common stock warrants (unaudited)	316								316
Net loss (unaudited)	(30,889)										(30,889)
Balance (Unaudited) at Sep. 30, 2015	$ 6,510					$ 372			$ 189,073		$ (182,935)
Balance, shares (Unaudited) at Sep. 30, 2015						38,200,088