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Basis Of Presentation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basis Of Presentation [Abstract]
Weighted average shares outstanding (basic)	4,345	4,396	4,346	4,404
Impact of common stock equivalents	5	25	8	23
Weighted average shares outstanding (diluted)	4,350	4,421	4,354	4,427
Anti-dilutive options excluded from calculation	80		80
Net income	$ 3,067	$ 3,984	$ 4,786	$ 7,221
Basic earnings per share	$ 0.71	$ 0.91	$ 1.10	$ 1.64
Diluted earnings per share	$ 0.71	$ 0.90	$ 1.10	$ 1.63

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