Summary of Significant Accounting Policies (Computation Of Basic And Diluted EPS) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Summary Of Significant Accounting Policies [Abstract]
Numerator for basic EPS	$ (1,538,687)	$ (1,941,479)	$ (4,674,268)	$ (6,081,326)
Numerator for diluted EPS	$ (1,538,687)	$ (1,941,479)	$ (4,674,268)	$ (6,081,326)
Denominator for basic EPS - weighted average shares	21,007,103	19,631,469	20,871,244	19,483,603
Denominator for diluted EPS	21,007,103	19,631,469	20,871,244	19,483,603
Basic EPS	$ (0.07)	$ (0.10)	$ (0.22)	$ (0.31)
Diluted EPS	$ (0.07)	$ (0.10)	$ (0.22)	$ (0.31)