Stockholders' Equity (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of stock option activity
Number of Shares Outstanding, Beginning balance	4,423,335	4,787,085
Weighted- Average Exercise Price Per Share Outstanding, Beginning balance	$ 0.31	$ 0.41
Number of Shares, Granted	2,105,000	2,565,000
Weighted- Average Exercise Price Per Share, Granted	$ 0.11	$ 0.31
Number of Shares, Exercised		(3,333)
Weighted- Average Exercise Price Per Share, Exercised		$ 0.17
Number of Shares, Canceled/forfeited	(2,998,250)	(2,925,417)
Weighted- Average Exercise Price Per Share, Canceled/forfeited	$ 0.29	$ 0.47
Number of Shares Outstanding, Ending balance	3,530,085	4,423,335
Weighted- Average Exercise Price Per Share Outstanding, Ending balance	$ 0.24	$ 0.31
Maximum [Member]
Summary of stock option activity
Exercise Price Per Share Outstanding, Beginning balance	$ 0.62	$ 1.09
Exercise Price Per Share, Granted	$ 0.21	$ 0.36
Exercise Price Per Share, Exercised		$ 0.17
Exercise price per share, Canceled/forfeited	$ 0.49	$ 1.09
Exercise Price Per Share Outstanding, Ending balance	$ 0.62	$ 0.62
Minimum [Member]
Summary of stock option activity
Exercise Price Per Share Outstanding, Beginning balance	$ 0.13	$ 0.17
Exercise Price Per Share, Granted	$ 0.11	$ 0.13
Exercise price per share, Canceled/forfeited	$ 0.11	$ 0.13
Exercise Price Per Share Outstanding, Ending balance	$ 0.11	$ 0.13