Stock Option Plans (Summary of Stock Option Activity) (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Number of Shares
Outstanding, December 31, 2012	1,749,310
Granted (Unaudited)	255,000
Exercised (Unaudited)	(834)
Expired (Unaudited)	(135,135)
Forfeited (Unaudited)	(302,951)
Outstanding, June 30, 2013 (Unaudited)	1,565,390	1,749,310
Exercisable, June 30, 2013 (Unaudited)	773,138
Weighted Average Exercise Price
Outstanding, December 31, 2012	$ 2.12
Granted (Unaudited)	$ 1.38
Exercised (Unaudited)	$ 0
Expired (Unaudited)	$ 2.75
Forfeited (Unaudited)	$ 1.39
Outstanding, June 30, 2013 (Unaudited)	$ 2.09	$ 2.12
Exercisable, June 30, 2013 (Unaudited)	$ 2.81
Remaining Contractual Life (Years)
Outstanding, December 31, 2012	8 years 14 days	8 years 3 months 25 days
Granted (Unaudited)	9 years 9 months 22 days
Exercised (Unaudited)	0 years
Expired (Unaudited)	6 years 8 months 5 days
Forfeited (Unaudited)	0 years
Outstanding, June 30, 2013 (Unaudited)	8 years 14 days	8 years 3 months 25 days
Exercisable, June 30, 2013 (Unaudited)	6 years 10 months 13 days
Aggregate Intrinsic Value
Outstanding, December 31, 2012	$ 151,919
Granted (Unaudited)	0
Exercised (Unaudited)	0
Expired (Unaudited)	11,166
Forfeited (Unaudited)	66,495
Outstanding, June 30, 2013 (Unaudited)	134,268	151,919
Exercisable, June 30, 2013 (Unaudited)	$ 61,477