Stock-Based Compensation (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Number of Shares (in shares)	1,240
Weighted- Average Remaining Life	8 years 10 months 24 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.02
Number of Shares (in shares)	700
Weighted- Average Exercise Price (in dollars per share)	$ 0.02
Stock Option Plan Exercise Range 0.008 [Member]
Number of Shares (in shares)	200
Weighted- Average Remaining Life	9 years 10 months 24 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.008
Number of Shares (in shares)	12
Weighted- Average Exercise Price (in dollars per share)	$ 0.008
Stock Option Plan Exercise Range 0.01 [Member]
Number of Shares (in shares)	50
Weighted- Average Remaining Life	9 years 7 months 6 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.01
Number of Shares (in shares)	6
Weighted- Average Exercise Price (in dollars per share)	$ 0.01
Stock Option Plan Exercise Range 1 0.014 To 0.03 [Member]
Number of Shares (in shares)	880
Weighted- Average Remaining Life	9 years
Weighted- Average Exercise Price (in dollars per share)	$ 0.02
Number of Shares (in shares)	594
Weighted- Average Exercise Price (in dollars per share)	$ 0.02
Stock Option Plan Exercise Range 2 0.05 [Member]
Number of Shares (in shares)	100
Weighted- Average Remaining Life	8 years 8 months 12 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.05
Number of Shares (in shares)	83
Weighted- Average Exercise Price (in dollars per share)	$ 0.05
Stock Option Plan Exercise Range 3 0.14 [Member]
Number of Shares (in shares)	10
Weighted- Average Remaining Life	8 years 4 months 24 days
Weighted- Average Exercise Price (in dollars per share)	$ 0.14
Number of Shares (in shares)	5
Weighted- Average Exercise Price (in dollars per share)	$ 0.14