Earnings Per Share Computations (Schedule Of Earnings Per Share Reconciliation) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share Computations [Abstract]
Net income (numerator) amounts used for basic and diluted per share computations:	$ 170,503	$ 202,034	$ 654,832	$ 568,002
Basic	4,159,588	4,118,880	4,160,149	4,124,345
Plus dilutive effect of stock options	17,536	31,251	22,277	45,298
Diluted	4,177,124	4,150,131	4,182,426	4,169,643
Basic	$ 0.04	$ 0.05	$ 0.16	$ 0.14
Diluted	$ 0.04	$ 0.05	$ 0.16	$ 0.14