Unaudited Condensed Consolidated Statement of Changes in Stockholders' Deficit - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands	Total	Preferred Stock Series C convertible preferred stock	Common Stock Class A common stock	Common Stock Class B common stock	Additional paid-in capital	Accumulated other comprehensive loss, net	Accumulated deficit
Beginning Balance at Dec. 31, 2015	$ (98,548)	$ 4			$ 525,344	$ (220)	$ (623,676)
Beginning Balance, Shares at Dec. 31, 2015		380,000	4,166,991	2,340,353
Net loss	(11,316)						(11,316)
Stock-based compensation	383				383
Unrealized gain on derivative instrument	45					45
Ending Balance at Mar. 31, 2016	$ (109,436)	$ 4			$ 525,727	$ (175)	$ (634,992)
Ending Balance, Shares at Mar. 31, 2016		380,000	4,166,991	2,340,353