Equity (Details 7) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Class Of Warrant Or Right Number Of Warrants Or Rights Roll Forward
Number of Warrants Outstanding at beginning of period	77,155	151,722
Number of warrants issued	21,418
Number Of Warrants Or Rights Exercised		(1,300)
Number Of Warrants Or Rights Expired	(4,333)	(1,400)
Number of Warrants Outstanding at end of period	94,240	149,022
Number of Warrants Or Rights Exercisable at end of period	94,240	149,022
Excercise Price of Warrants Outstanding at beginning of period	$ 0.0289	$ 0.0269
Exercise Price Of Warrants Issued	$ 0.0275
Exercise Price Of Warrants Exercised		$ 0.0280
Exercise Price Of Warrants Expired	$ 0.0225	$ 0.0225
Excercise Price of Warrants Outstanding at end of period	$ 0.0289	$ 0.0257
Exercise Price Of WarrantsExercisable at end of period	$ 0.0289	$ 0.0257