Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Numerator:
Net income available to common shareholders	$ 15	$ 29,037
Effect of dilutive securities:
Hybrid financial instruments	(545)	24,487
Derivative liability - warrants	373	3,166
Derivative liability - Series C and D Convertible Preferred Stock and debentures	137	1,943
Denominator:
Weighted average shares used to compute basic income per common share (in shares)	4,984,827,279	2,789,315,439
Effect of dilutive securities:
Common shares issued (in shares)	4,403,415,000
Denominator for diluted income per common share (in shares)	266,001,250,808	27,931,664,140
Basic income per common share (in dollars per share)	$ 0.000	$ 0.010
Diluted income per common share (in dollars per share)	$ 0.000	$ 0.001
Numerator [Member]
Numerator:
Net income available to common shareholders	15	29,037
Effect of dilutive securities:
Hybrid financial instruments	(545)	(24,487)
Derivative liability - warrants	373	3,166
Derivative liability - Series C and D Convertible Preferred Stock and debentures	137	1,943
Numerator for diluted income per common share	$ (20)	$ 9,659
Denominator [Member]
Denominator:
Weighted average shares used to compute basic income per common share (in shares)	4,984,827,279	2,789,315,439
Effect of dilutive securities:
Common shares issued (in shares)	233,957,214,103	32,949,714
Derivative liability - warrants (in shares)	440,652,725	2,083,292
Derivative liability - Series C and D preferred stock and debentures (in shares)	26,618,556,701	3,398,694
Denominator for diluted income per common share (in shares)	266,001,250,808	27,931,664,140
Basic income per common share (in dollars per share)	$ 0.000	$ 0.010
Diluted income per common share (in dollars per share)	$ 0.000	$ 0.001