Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Plan [Abstract]
Service cost	$ 76,699	$ 69,911	$ 230,099	$ 209,735
Interest cost	80,549	79,965	241,648	239,895
Expected return on assets	(112,117)	(108,397)	(336,352)	(325,193)
Amortization of net loss	123,098	76,587	369,293	229,761
Amortization of prior service cost	4,367	4,367	13,102	13,102
Net periodic pension cost	$ 172,596	$ 122,433	$ 517,790	$ 367,300