CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS DEFICIT - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Common Stock	Treasury Stock.	Additional Paid-in Capital	Accumulated Deficit Series B preferred stock	Accumulated Deficit Series B-1 preferred stock	Accumulated Deficit Series C preferred stock	Accumulated Deficit	Series B preferred stock	Series B-1 preferred stock	Series C preferred stock	Total
Balance, beginning at Dec. 31, 2014	$ 1		$ 4,831				$ (83,614)				$ (78,782)
Balance, beginning (in shares) at Dec. 31, 2014	938,859	(55,905)
Increase (Decrease) in Stockholders Equity
Proceeds from exercise of options and warrants			4								4
Exercise of options and warrants (in shares)	4,460
Share-based compensation expense			234								234
Cancellation of treasury stock	(55,905)	55,905
Preferred Stock accretion to redemption value				$ (171)	$ (329)	$ (570)		$ (171)	$ (329)	$ (570)
Accrued dividend					$ (1,083)				$ (1,083)
Net loss							(12,309)				(12,309)
Balance, ending at Jun. 30, 2015	$ 1		$ 5,069				$ (98,076)				$ (93,006)
Balance, ending (in shares) at Jun. 30, 2015	887,414