Earnings Per Share Computations (Schedule Of Earnings Per Share Reconciliation) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings Per Share Computations [Abstract]
Net income (numerator) amounts used for basic and diluted per share computations:	$ 202,034	$ 230,132	$ 568,002	$ 92,631
Basic	4,118,880	4,068,308	4,124,345	4,079,089
Plus dilutive effect of stock options	31,251	31,428	45,298	57,178
Diluted	4,150,131	4,099,736	4,169,643	4,136,267
Basic	$ 0.05	$ 0.06	$ 0.14	$ 0.02
Diluted	$ 0.05	$ 0.06	$ 0.14	$ 0.02