Stock-Based Compensation (Summary of Stock Option Activity) (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Stock-Based Compensation [Abstract]
Shares Available for Grant, Balance at December 31, 2014		785,000
Shares Available for Grant, Increase in authorized shares		520,000
Shares Available for Grant, Granted		(547,181)
Shares Available for Grant, Exercised
Shares Available for Grant, Forfeited		4,812
Shares Available for Grant, Expired
Shares Available for Grant, Balance at September 30, 2015	762,631	762,631	785,000
Shares, Balance at December 31, 2014		440,695
Shares, Granted		547,181
Shares, Exercises		(214,815)
Shares, Forfeited		(4,812)
Shares, Expired		(137,123)
Shares, Balance at September 30, 2015	631,126	631,126	440,695
Shares, Vested or expected to vest at September 30, 2015	499,995	499,995
Shares, Exercisable at September 30, 2015	66,205	66,205
Weighted Average Exercise Price, Outstanding at December 31, 2014		$ 9.37
Weighted Average Exercise Price, Granted	$ 8.72	8.72
Weighted Average Exercise Price, Exercised		8.00
Weighted Average Exercise Price, Forfeited		13.64
Weighted Average Exercise Price, Expired		10.19
Weighted Average Exercise Price, Outstanding at September 30, 2015	9.06	9.06	$ 9.37
Weighted Average Exercise Price, Vested or expected to vest at September 30, 2015	9.05	9.05
Weighted Average Exercise Price, Exercisable at September 30, 2015	$ 11.45	$ 11.45
Average Remaining Contractual Term (Years), Outstanding at December 31, 2014		9 years 4 months 17 days	8 years 2 months 5 days
Average Remaining Contractual Term (Years), Outstanding at September 30, 2015		9 years 4 months 17 days	8 years 2 months 5 days
Average Remaining Contractual Term (Years), Vested or expected to vest at September 30, 2015		9 years 3 months 4 days
Average Remaining Contractual Term (Years), Exercisable at September 30, 2015		5 years 11 months 23 days
Intrinsic Value, Outstanding at December 31, 2014		$ 640,837
Intrinsic Value, Exercised		(383,994)
Intrinsic Value, Outstanding at September 30, 2015	$ 256,843	$ 256,843	$ 640,837