Financing (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Conversion [Line Items]
Debentures, Face Value	$ 41,017	$ 28,887
Debentures, Fair Value	257,451	64,292
Debentures, Common Stock Shares	234,287,861	22,696,138
Debentures 2006 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	1,962	6,180
Debentures, Fair Value	13,512	14,758
Debentures, Common Stock Shares	12,285,288	5,196,283
Debentures 2007 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	839	6,856
Debentures, Fair Value	3,587	17,172
Debentures, Common Stock Shares	3,244,058	6,098,480
Debentures 2008 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	2,047	6,468
Debentures, Fair Value	12,825	15,492
Debentures, Common Stock Shares	11,689,415	5,487,497
Debentures 2009 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	134	1,644
Debentures, Fair Value	1,018	3,565
Debentures, Common Stock Shares	923,440	1,243,390
Debentures 2010 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value		3,806
Debentures, Fair Value		7,178
Debentures, Common Stock Shares		2,512,724
Debentures 2011 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	852	1,954
Debentures, Fair Value	5,745	3,080
Debentures, Common Stock Shares	5,226,562	1,084,237
Debentures 2012 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	972	1,979
Debentures, Fair Value	9,369	3,047
Debentures, Common Stock Shares	8,524,582	1,073,527
Debentures 2013 Series [Member]
Debt Conversion [Line Items]
Debentures, Face Value	34,211
Debentures, Fair Value	211,395
Debentures, Common Stock Shares	$ 192,394,516