Nature Of Business And Significant Accounting Policies (Schedule Of Net Income Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Nature Of Business And Significant Accounting Policies [Abstract]
Net income	$ 100	$ 410
Basic EPS, Shares	3,401,137	3,395,521
Effect of dilutive stock options, shares	31,706	49,418
Diluted EPS, Shares	3,432,843	3,444,939
Net income per share, Basic	$ 0.03	$ 0.12
Effect of dilutive stock options, per share amount	0	0
Net income per share, Diluted	$ 0.03	$ 0.12
Options excluded from the computation of diluted weighted-average shares outstanding|shares	268,294	283,082