Equity (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Summary of stock options outstanding
Stock Options Outstanding, Beginning Balance			51,353
Stock Options, granted	2,000	24,496	2,000	24,496
Stock Options, exercised	(184)		(184)
Stock Options, forfeited, or expired			(7,098)
Stock Options Outstanding, Ending Balance	46,080		46,080
Stock Options, Vested and expected to vest at ending balance	46,080		46,080
Stock Options Exercisable at ending balance	21,411		21,411
Weighted Average Exercise Price, Beginning Period			$ 0.09
Weighted Average Exercise Price, Granted			$ 0.06
Weighted Average Exercise Price, Exercised			$ 0.07
Weighted Average Exercise Price, Forfeited, or expired			$ 0.26
Weighted Average Exercise Price, Ending Period	$ 0.06		$ 0.06
Weighted Average Exercise Price, Vested and expected to vest at ending balance	$ 0.06		$ 0.06
Weighted Average Exercise Price, Exercisable at ending balance	$ 0.07		$ 0.07
Weighted Average Remaining Contractual Term, ending balance			5 years 4 months 17 days
Weighted Average Remaining Contractual Term, vested and expected to vest at ending balance			5 years 4 months 17 days
Weighted Average Remaining Contractual Term, excercisable at ending balance			4 years 11 months 15 days
Aggregate Intrinsic Value, Beginning Balance			$ 4,449
Aggregate Intrinsic Value, Granted			120
Aggregate Intrinsic Value, Exercised			2
Aggregate Intrinsic Value, Forfeited or expired			1,830
Aggregate Intrinsic Value, Ending Balance	2,727		2,727
Aggregate Intrinsic Value, Vested and expected to vest at ending balance	2,727		2,727
Aggregate Intrinsic Value, Exercisable at ending balance	$ 1,603		$ 1,603