Stock-Based Compensation (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares (in shares)	1,173
Options Outstanding, Weighted - Average Remaining Life (in years)	6 years 10 months 24 days
Options Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 0.017
Options Exercisable, Number of Shares (in shares)	1,041
Options Exercisable, Weighted - Average Exercise Price (in dollars per share)	$ 0.017
Stock Option Plan Exercise Range 0.008 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares (in shares)	200
Options Outstanding, Weighted - Average Remaining Life (in years)	7 years 10 months 24 days
Options Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 0.008
Options Exercisable, Number of Shares (in shares)	90
Options Exercisable, Weighted - Average Exercise Price (in dollars per share)	$ 0.008
Stock Option Plan Exercise Range 0.014 to 0.03 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares (in shares)	884
Options Outstanding, Weighted - Average Remaining Life (in years)	6 years 9 months 18 days
Options Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 0.015
Options Exercisable, Number of Shares (in shares)	862
Options Exercisable, Weighted - Average Exercise Price (in dollars per share)	$ 0.015
Stock Option Plan Exercise Range 0.050 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares (in shares)	89
Options Outstanding, Weighted - Average Remaining Life (in years)	6 years 4 months 24 days
Options Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 0.047
Options Exercisable, Number of Shares (in shares)	89
Options Exercisable, Weighted - Average Exercise Price (in dollars per share)	$ 0.047