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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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net income	$ 1,431	$ 1,078	$ 5,220	$ 3,906
Denominator:
Weighted average common shares outstanding (basic)	17,075	17,059	17,071	17,051
Effect of stock options	39	3	43	12
Weighted average common shares outstanding (diluted)	17,114	17,062	17,114	17,063
Earnings per common share:
Basic	$ 0.08	$ 0.06	$ 0.31	$ 0.23
Diluted	$ 0.08	$ 0.06	$ 0.31	$ 0.23

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