Income Taxes (Schedule Of Reconciliation Of Federal Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
U.S. statutory income tax rate	34.00%	34.00%
State and local taxes, net of federal tax benefit	1.90%	2.40%
Permanent differences between book and tax	5.60%	17.10%
Deferred tax adjustments	(9.30%)	(71.90%)
State rate adjustments	(0.10%)	(29.20%)
Valuation allowance	(32.10%)	47.60%
Effective income tax rate