Summary of Significant Accounting Policies (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income (loss)	$ (1,088)	$ 5,109	$ 2,500	$ 34,783
Gain (loss) from change in fair value of hybrid financial instruments	(1,369)	4,495	(2,542)	28,549
Gain (loss) from change in fair value of derivative liability - warrants	38	90	618	3,514
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures	29	31	273	2,029
Net cash used in operating activities			(333)	(536)
Scenario, Previously Reported [Member]
Net income (loss)		(26,200)		(47,534)
Gain (loss) from change in fair value of hybrid financial instruments		(24,165)		(46,959)
Gain (loss) from change in fair value of derivative liability - warrants		92		3,503
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures		(2,620)		(4,769)
Net cash used in operating activities				(536)
Scenario, Adjustment [Member]
Net income (loss)		31,309		82,317
Gain (loss) from change in fair value of hybrid financial instruments		28,660		75,508
Gain (loss) from change in fair value of derivative liability - warrants		(2)		11
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures		2,651		6,798
Net cash used in operating activities				$ 0