Stockholders' Equity (Details 6) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Excercisable	151,722	182,644	135,131
Weighted Average Remaining Life Of Warrants Or Rights	1 year 4 months
Warrants Weighted Average Exercise Price	$ 0.0269	$ 0.0261	$ 0.0274
Warrants Group One [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Excercisable	12,760
Weighted Average Remaining Life Of Warrants Or Rights	6 months
Warrants Weighted Average Exercise Price	$ 0.0433
Warrants Group Two [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Excercisable	130,409
Weighted Average Remaining Life Of Warrants Or Rights	1 year 1 month
Warrants Weighted Average Exercise Price	$ 0.0225
Warrants Group Three [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Excercisable	8,643
Weighted Average Remaining Life Of Warrants Or Rights	2 years 7 months
Warrants Weighted Average Exercise Price	$ 0.0500