Unaudited Condensed Consolidated Statement of Changes in Stockholders' Deficit - 9 months ended Sep. 30, 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	(19,857)						(19,857)
Stock-based compensation	559				559
Unrealized gain on derivative instrument	150					150
Ending Balance at Sep. 30, 2016	$ (117,696)	$ 4			$ 525,903	$ (70)	$ (643,533)
Ending Balance, Shares at Sep. 30, 2016		380,000	4,166,991	2,340,353