Equity (Details 7) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Class Of Warrant Or Right Number Of Warrants Or Rights Roll Forward
Number of Warrants Outstanding at beginning of period	213,521	77,155
Number of warrants issued	27,400	21,418
Number Of Warrants Or Rights Exercised
Number Of Warrants Or Rights Expired	(10,909)	(4,333)
Number of Warrants Outstanding at end of period	230,012	94,240
Number of Warrants Or Rights Exercisable at end of period	230,012	94,240
Excercise Price of Warrants Outstanding at beginning of period	$ 0.0289	$ 0.0289
Exercise Price Of Warrants Issued	$ 0.0225	$ 0.0225
Exercise Price Of Warrants Exercised
Exercise Price Of Warrants Expired	$ 0.0225	$ 0.0225
Excercise Price of Warrants Outstanding at end of period	$ 0.0277	$ 0.0289
Exercise Price Of WarrantsExercisable at end of period	$ 0.0277	$ 0.0289