Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment	$ 9,498,228	$ 9,424,896
Less accumualted depreciation and amortization	(9,190,843)	(9,021,450)
Property, Plant and Equipment, Net, Total	307,385	403,446
Equipment and software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	8,158,454	8,082,091
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	837,377	837,377
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 502,397	$ 505,428