Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Gain (loss) from changes in fair value of hybrid 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 & D	107	55	244	1,998
Net income (loss)	3,573	637	3,588	29,674
Net income (loss) available to common shareholders	3,573	(60)	3,588	28,977
Comprehensive income (loss)	3,573	659	3,588	29,807
Scenario, Previously Reported [Member]
Gain (loss) from changes in fair value of hybrid 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 & D		(1,849)		(2,149)
Net income (loss)		(30,372)		(21,284)
Net income (loss) available to common shareholders		(30,372)		(21,284)
Comprehensive income (loss)		(30,595)		(21,618)
Scenario, Adjustment [Member]
Gain (loss) from changes in fair value of hybrid 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 & D		1,904		4,147
Net income (loss)		31,009		50,958
Net income (loss) available to common shareholders		(30,312)		50,261
Comprehensive income (loss)		31,254		51,425
Restated
Gain (loss) from changes in fair value of hybrid 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 & D		55		1,998
Net income (loss)		637		29,674
Net income (loss) available to common shareholders		(60)		28,977
Comprehensive income (loss)		$ 659		$ 29,807