Stock-Based Compensation (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options Outstanding	3,898,198	3,141,198	728,246
Options Outstanding, Weighted Average Remaining Life (years)	5 years 10 months 6 days
Options Outstanding, Weighted Average Exercise Price	$ 1.75	$ 1.65	$ 0.89
Number Exercisable	1,298,198	791,198
Number Exercisable, Weighted Average Remaining Life (years)	4 years 2 months 5 days
Number Exercisable, Weighted Average Exercise Price	$ 1.39	$ 1.08
Exercise Price $ 0.08 to $ 0.15 [Member]
Options Outstanding	80,000
Options Outstanding, Weighted Average Remaining Life (years)	3 years 9 months
Options Outstanding, Weighted Average Exercise Price	$ 0.12
Number Exercisable	50,000
Number Exercisable, Weighted Average Remaining Life (years)	3 years 7 months 24 days
Number Exercisable, Weighted Average Exercise Price	$ 0.12
Exercise Price $ 0.51 to $ 1.11 [Member]
Options Outstanding	545,000
Options Outstanding, Weighted Average Remaining Life (years)	1 year 25 days
Options Outstanding, Weighted Average Exercise Price	$ 0.82
Number Exercisable	515,000
Number Exercisable, Weighted Average Remaining Life (years)	9 months 25 days
Number Exercisable, Weighted Average Exercise Price	$ 0.81
Exercise Price $ 1.83 to $ 1.97 [Member]
Options Outstanding	2,130,000
Options Outstanding, Weighted Average Remaining Life (years)	7 years
Options Outstanding, Weighted Average Exercise Price	$ 1.87
Number Exercisable	705,000
Number Exercisable, Weighted Average Remaining Life (years)	6 years 7 months 17 days
Number Exercisable, Weighted Average Exercise Price	$ 1.86
Exercise Price $ 2.00 to $ 2.40 [Member]
Options Outstanding	1,143,198
Options Outstanding, Weighted Average Remaining Life (years)	6 years 1 month 17 days
Options Outstanding, Weighted Average Exercise Price	$ 2.07
Number Exercisable	28,198
Number Exercisable, Weighted Average Remaining Life (years)	5 years 29 days
Number Exercisable, Weighted Average Exercise Price	$ 2.40