Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Plan [Abstract]
Service cost	$ 81,423	$ 76,700
Interest cost	76,968	80,549
Expected return on assets	(134,481)	(112,117)
Amortization of net loss	165,884	123,098
Amortization of prior service cost	4,367	4,367
Net periodic pension cost	$ 194,161	$ 172,597