Equity (Details 6) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Class Of Warrant Or Right Number Of Warrants Or Rights Roll Forward
Number of Warrants Outstanding at beginning of period	151,722	182,644
Number Of Warrants Or Rights Issued		8,643
Number Of Warrants Or Rights Exercised	(1,300)	(35,162)
Number Of Warrants Or Rights Expired	(15,063)	(4,403)
Number of Warrants Outstanding at end of period	135,359	151,722
Number of Warrants Or Rights Exercisable at end of period	135,359	151,722
Excercise Price of Warrants Outstanding at beginning of period	$ 0.0269	$ 0.0261
Exercise Price Of Warrants Issued		$ 0.0500
Exercise Price Of Warrants Exercised	$ 0.0225	$ 0.0264
Exercise Price Of Warrants Expired	$ 0.0343
Excercise Price of Warrants Outstanding at end of period	$ 0.0252	$ 0.0269
Exercise Price Of WarrantsExercisable at end of period	$ 0.0252	$ 0.0269