Stock Option Plans (Summary of Stock Option Activity) (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Number of Shares
Outstanding, December 31, 2012	1,749,310
Granted (Unaudited)	266,500
Exercised (Unaudited)	(18,023)
Expired (Unaudited)	(252,010)
Forfeited (Unaudited)	(305,901)
Outstanding, September 30, 2013 (Unaudited)	1,439,876	1,749,310
Exercisable, September 30, 2013 (Unaudited)	865,332
Weighted Average Exercise Price
Outstanding, December 31, 2012	$ 2.12
Granted (Unaudited)	$ 1.41
Exercised (Unaudited)	$ 1.33
Expired (Unaudited)	$ 2.30
Forfeited (Unaudited)	$ 1.39
Outstanding, September 30, 2013 (Unaudited)	$ 2.14	$ 2.12
Exercisable, September 30, 2013 (Unaudited)	$ 2.63
Remaining Contractual Life (Years)
Outstanding, December 31, 2012	7 years 9 months 18 days	8 years 3 months 25 days
Granted (Unaudited)	9 years 6 months 25 days
Exercised (Unaudited)	6 years 7 days
Expired (Unaudited)	7 years 5 months 26 days
Forfeited (Unaudited)	0 years
Outstanding, September 30, 2013 (Unaudited)	7 years 9 months 18 days	8 years 3 months 25 days
Exercisable, September 30, 2013 (Unaudited)	6 years 11 months 19 days
Aggregate Intrinsic Value
Outstanding, December 31, 2012	$ 151,919
Granted (Unaudited)	0
Exercised (Unaudited)	5,426
Expired (Unaudited)	56,177
Forfeited (Unaudited)	262,901
Outstanding, September 30, 2013 (Unaudited)	876,536	151,919
Exercisable, September 30, 2013 (Unaudited)	$ 401,899