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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Numerator:
Net income	$ 1,792	$ 1,744	$ 3,670	$ 3,511
Denominator:
Weighted average common shares outstanding (basic)	17,476	18,038	17,527	18,058
Effect of stock options	84	102	84	100
Weighted average common shares outstanding (diluted)	17,560	18,140	17,611	18,158
Earnings per common share:
Basic	$ 0.10	$ 0.10	$ 0.21	$ 0.19
Diluted	$ 0.10	$ 0.10	$ 0.21	$ 0.19

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