CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Common Stock	Common Stock Warrants	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2016	$ (271,269)	$ 6,969	$ 5,672	$ 531,924	$ (815,834)
Beginning Balance, Shares at Dec. 31, 2016		13,938,000
Stock-based compensation	1,265	$ 197		1,068
Stock-based compensation, Shares		394,000
Tax withholdings related to equity awards	(271)	$ (13)		(258)
Tax withholdings related to equity awards, Shares		(27,000)
Common stock issued for debt conversions	7,789	$ 413		7,376
Common stock issued for debt conversions, Shares		826,000
Common stock warrants exercised	$ 1	$ 76	(1,308)	1,233
Common stock warrants exercised, Shares	152,742	153,000
Net loss	$ (22,931)				(22,931)
Ending Balance at Mar. 31, 2017	$ (285,416)	$ 7,642	$ 4,364	$ 541,343	$ (838,765)
Ending Balance, Shares at Mar. 31, 2017		15,284,000