Net Income Per Share Computations (Schedule Of Earnings Per Share Reconciliation) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Income Per Share Computations [Abstract]
Net income (numerator) amounts used for basic and diluted per share computations:	$ 813,059	$ 623,306	$ 1,773,313	$ 1,472,247
Weighted average shares (denominator) of common stock outstanding:
Basic	4,233,315	4,188,120	4,221,164	4,188,669
Plus dilutive effect of stock options	(3,877)	2	775	17,037
Diluted	4,229,438	4,188,122	4,221,939	4,205,706
Net income per common share:
Basic	$ 0.19	$ 0.15	$ 0.42	$ 0.35
Diluted	$ 0.19	$ 0.15	$ 0.42	$ 0.35