Basis Of Presentation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basis Of Presentation [Abstract]
Weighted average shares outstanding (basic)	4,307	4,252	4,295	4,236
Impact of common stock equivalents	7	5	3	7
Weighted average shares outstanding (diluted)	4,314	4,257	4,298	4,243
Anti-dilutive options excluded from calculation	9	26	37	27
Net income	$ 2,075	$ 2,579	$ 6,363	$ 7,937
Basic earnings per share	$ 0.48	$ 0.61	$ 1.48	$ 1.87
Diluted earnings per share	$ 0.48	$ 0.61	$ 1.48	$ 1.87