Financing (Details 5) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Debt Conversion [Line Items]
Debentures, Face Value	$ 35,744	$ 41,017
Debentures, Fair Value	35,788	38,250
Debentures, Common Stock Shares	416,245,491	15,619,639
Debentures 2006 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	1,962	1,962
Debentures, Fair Value	1,995	2,008
Debentures, Common Stock Shares	22,923,200	819,019
Debentures 2007 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	819	839
Debentures, Fair Value	971	533
Debentures, Common Stock Shares	11,169,826	216,720
Debentures 2008 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	1,936	2,047
Debentures, Fair Value	1,884	1,905
Debentures, Common Stock Shares	22,189,724	779,294
Debentures 2009 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	18	134
Debentures, Fair Value	56	151
Debentures, Common Stock Shares	599,497	61,563
Debentures 2011 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	826	852
Debentures, Fair Value	817	854
Debentures, Common Stock Shares	9,401,222	348,437
Debentures 2012 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	972	972
Debentures, Fair Value	1,068	1,392
Debentures, Common Stock Shares	12,308,528	568,305
Debentures 2013 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	29,211	34,211
Debentures, Fair Value	$ 28,997	$ 31,407
Debentures, Common Stock Shares	337,653,494	12,826,301