Summary of Significant Accounting Policies (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income (loss)	$ 3,573	$ 637	$ 3,588	$ 29,674
(Gain) loss from change in fair value of hybrid financial instruments	628	433	1,173	(24,054)
(Gain) loss from change in fair value of derivative liability - warrants	(207)	(258)	(580)	(3,424)
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures	(107)	(55)	(244)	(1,998)
Net cash used in operating activities			(197)	(875)
Scenario, Previously Reported [Member]
Net income (loss)		(30,372)		(21,284)
(Gain) loss from change in fair value of hybrid financial instruments		29,569		22,795
(Gain) loss from change in fair value of derivative liability - warrants		(289)		(3,411)
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures		1,849		2,149
Net cash used in operating activities				(874)
Scenario, Adjustment [Member]
Net income (loss)		31,009		50,958
(Gain) loss from change in fair value of hybrid financial instruments		(29,136)		(46,849)
(Gain) loss from change in fair value of derivative liability - warrants		31		(13)
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures		(1,904)		(4,147)
Net cash used in operating activities				(1)
Restatement Adjustment [Member]
Net income (loss)		637		29,674
(Gain) loss from change in fair value of hybrid financial instruments		433		(24,054)
(Gain) loss from change in fair value of derivative liability - warrants		(258)		(3,424)
(Gain) loss from change in fair value of derivative liability - Series C and D preferred stock and debentures		(55)		(1,998)
Net cash used in operating activities				$ (875)