Stock Based Compensation (Details 2) (Board Of Directors Plan [Member], USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Board Of Directors Plan [Member]
Number, Outstanding (in shares) at December 31, 2012	145,250
Number, Granted (in shares)	45,000
Number, Exercised (in shares)	0
Number, Forfeited (in shares)	0
Number, Outstanding (in shares) at March 31, 2013	190,250	145,250
Number, Options exercisable (in shares) at March 31, 2013	100,250
Weighted Average Exercisable Price, Outstanding (in dollars per share) at December 31, 2012	$ 3.30
Weighted Average Exercisable Price, Granted (in dollars per share)	$ 2.37
Weighted Average Exercisable Price, Exercised (in dollars per share)	$ 0
Weighted Average Exercisable Price, Forfeited (in dollars per share)	$ 0
Weighted Average Exercisable Price, Outstanding (in dollars per share) at March 31, 2013	$ 3.08	$ 3.30
Weighted Average Exercisable Price, Options exercisable (in dollars per share) at March 31, 2013	$ 4.04
Weighted-Average Contractual Remaining Term, Outstanding (in years)	7 years 7 months 6 days	7 years 2 months 12 days
Aggregate Intrinsic Value, Outstanding at December 31, 2012	$ 57,600
Aggregate Intrinsic Value, Outstanding at March 31, 2013	$ 58,193	$ 57,600