Stock Option Plans and Agreements (Details 1) (USD $)	3 Months Ended
	Mar. 31, 2013
Number of Options, Outstanding (in shares) at December 31, 2012	6,884,500
Number of Options, Options granted (in shares)	1,500,000
Number of Options, Options expired (in shares)	(1,700,000)
Number of Options, Options forfeited (in shares)	(90,000)
Number of Options, Outstanding (in shares) at March 31, 2013	8,124,500
Number of Options, Exercisable (in shares) at March 31, 2013	5,745,500
Weighted Average Exercise Price, Outstanding (in dollars per share) at December 31, 2012	$ 0.20
Weighted Average Exercise Price, Options granted (in dollars per share)	$ 0.15
Weighted Average Exercise Price, Options expired (in dollars per share)	$ 0.11
Weighted Average Exercise Price, Options forfeited (in dollars per share)	$ 0.11
Weighted Average Exercise Price, Outstanding (in dollars per share) at March 31, 2013	$ 0.20
Weighted Average Exercise Price, Exercisable (in dollars per share) at March 31, 2013	$ 0.21
Weighted-Average Remaining Contractual Term, Outstanding at March 31, 2013	6 years
Weighted-Average Remaining Contractual Term, Exercisable at March 31, 2013	4 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding at March 31, 2013	$ 407,000
Aggregate Intrinsic Value, Exercisable at March 31, 2013	$ 291,000