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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income	$ 1,689	$ 2,329	$ 5,359	$ 5,840
Denominator:
Weighted average common shares outstanding (basic)	17,278	17,924	17,443	18,013
Effect of stock options	82	112	81	104
Weighted average common shares outstanding (diluted)	17,360	18,036	17,524	18,117
Earnings per common share:
Basic	$ 0.10	$ 0.13	$ 0.31	$ 0.32
Diluted	$ 0.10	$ 0.13	$ 0.31	$ 0.32

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