Stockholders' Equity (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Summary of stock options outstanding
Stock Options Outstanding, Beginning Balance	51,353	10,028
Stock Options, Granted	2,500	44,971
Stock Options, Exercised	(203)
Stock Options, Forfeited, or expired	(9,121)	(3,645)
Stock Options Outstanding, Ending Balance	44,529	51,353
Stock Options Exercisable at ending balance	23,319	14,539
Weighted Average Exercise Price, Beginning Period	$ 0.09	$ 0.33
Weighted Average Exercise Price, Granted	$ 0.06	$ 0.05
Weighted Average Exercise Price, Exercised	$ 0.07
Weighted Average Exercise Price, Forfeited, or expired	$ 0.26	$ 0.27
Weighted Average Exercise Price, Ending Period	$ 0.05	$ 0.09
Weighted Average Exercise Price, Exercisable at ending balance	$ 0.05	$ 0.19
Weighted Average Remaining Contractual Term, ending balance	3 years 2 months	3 years 2 months
Weighted Average Remaining Contractual Term, excercisable at ending balance	2 years 6 months	2 years 6 months
Aggregate Intrinsic Value, Exercised	$ 2	$ 0
Weighted average grant date fair value of options granted during period	$ 0.06	$ 0.06

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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