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, 2017	Dec. 31, 2016
Nature Of Business And Significant Accounting Policies [Abstract]
Net income	$ 295	$ 202
Net income per share Basic	$ 0.09	$ 0.06
Effect of dilutive stock options, per share amount	0.00	0.00
Net income per share Diluted	$ 0.09	$ 0.06
Basic EPS, Shares	3,395,521	3,395,521
Effect of dilutive stock options, shares	5,496	424
Diluted EPS, Shares	3,401,017	3,395,945