Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Pension Plan [Abstract]
Service cost	$ 76,700	$ 69,912	$ 153,400	$ 139,824
Interest cost	80,550	79,965	161,099	159,930
Expected return on assets	(112,118)	(108,398)	(224,235)	(216,796)
Amortization of net loss	123,097	76,587	246,195	153,174
Amortization of prior service cost	4,368	4,368	8,735	8,735
Net periodic pension cost	$ 172,597	$ 122,434	$ 345,194	$ 244,867