Financing (Details 9) (USD $) In Thousands, except Share data, unless otherwise specified				9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended
	Sep. 30, 2012	Jul. 20, 2012	Dec. 31, 2011	Sep. 30, 2012 Warrants Issued With Debentures 2007 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2007 [Member]	Sep. 30, 2012 Warrants Issued With Debentures 2008 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2008 [Member]	Sep. 30, 2012 Warrants Issued With Debentures 2010 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2010 [Member]	Sep. 30, 2012 Warrants Issued With Debentures 2011 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2011 [Member]	Sep. 30, 2012 Warrants Issued With Debentures 2012 [Member]	Dec. 31, 2011 Warrants Issued With Debentures 2012 [Member]	Sep. 30, 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		$ 0.006840	$ 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	1,601,629	0	401,002	896,382	614,662	306,287	210,025	219,298	150,376	131,579	0	328,947	225,564
Fair Value	$ 9,216		$ 14,942	$ 0	$ 1,510	$ 4,217	$ 6,876	$ 1,435	$ 2,335	$ 1,120	$ 1,686	$ 705	$ 0	$ 1,739	$ 2,535