Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Summary Of Significant Accounting Policies [Abstract]
Foreign currency translation	$ (297,714)	$ (337,597)
Unrealized gain (loss) on available-for-sale investments	3,000	(2,633)
Minimum pension liability	580,562	447,836
Accumulated other comprehensive income, net of tax	$ 285,848	$ 107,606