Financing (Details 9) (USD $) In Thousands, except Share data, unless otherwise specified									12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2012	Jul. 20, 2012	Jun. 01, 2012	Apr. 26, 2012	Mar. 26, 2012	Feb. 06, 2012	Jan. 11, 2012	Dec. 31, 2011	Dec. 31, 2012 Warrants Issued With Debentures 2007 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2007 [Member]	Dec. 31, 2012 Warrants Issued With Debentures 2008 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2008 [Member]	Dec. 31, 2012 Warrants Issued With Debentures 2010 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2010 [Member]	Dec. 31, 2012 Warrants Issued With Debentures 2011 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2011 [Member]	Dec. 31, 2012 Warrants Issued With Debentures 2012 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2012 [Member]	Dec. 31, 2012 Series D Preferred Stock [Member]	Dec. 31, 2011 Series D Preferred Stock [Member]
Expiration Year									2012		2015		2015		2016		2017		2017
Anti-dilution adjusted exercise price		$ 0.0080	$ 0.0093	$ 0.0117	$ 0.0418	$ 0.0090	$ 0.0135		$ 0.006840	$ 0.00998	$ 0.006840	$ 0.00998	$ 0.006840	$ 0.00998	$ 0.006840	$ 0.00998	$ 0.006840		$ 0.006840	$ 0.00998
Warrants	1,882,493	1,000	1,000	1,000	1,000	1,000	1,000	1,601,629	0	401,002	896,382	614,662	306,287	210,025	219,298	150,376	131,579	0	328,947	225,564
Fair Value	$ 3,687							$ 14,942	$ 0	$ 1,510	$ 1,691	$ 6,876	$ 571	$ 2,335	$ 453	$ 1,686	$ 263	$ 0	$ 709	$ 2,535