Summary of Significant Accounting Policies (Summary of Stock-Based Compensation) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Summary of Significant Accounting Policies [Abstract]
Stock based compensation expense recognized	$ 309,000	$ 237,000
Number of unvested stock options (in shares)	1,050,513	893,563
Fair value of unvested stock options	1,552,934	1,210,840
Amount remaining to be recognized as expense	$ 812,979	$ 597,709