Supplemental Financial Information (Property And Equipment) (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Acc. Depreciation Property & Equipment	$ (16,835,684)	$ (13,548,662)
Property and equipment	17,445,139	19,319,202	$ 19,603,707
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	325,978	281,214
Computer, communications and network equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,974,767	23,904,494
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,914,174	4,556,364
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	74,796	80,860
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,991,108	$ 4,044,932