Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Pension Plan [Abstract]
Service cost	$ 81,423	$ 76,700	$ 162,846	$ 153,400
Interest cost	76,968	80,550	153,936	161,099
Expected return on assets	(134,481)	(112,118)	(268,962)	(224,235)
Amortization of net loss	165,884	123,097	331,768	246,195
Amortization of prior service cost	4,368	4,368	8,735	8,735
Net periodic pension cost	$ 194,162	$ 172,597	$ 388,323	$ 345,194