Income Taxes (Schedule Of Provision For Income Taxes) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Federal	$ (757,955)	$ (2,529,455)
State and local	(328,867)	169,266
Total deferred income tax expense (benefit)	(1,086,822)	(2,360,189)
Valuation allowance	1,086,822	2,360,189
Income tax benefit