Income per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income	$ 644	$ 613	$ 736	$ 2,496
Denominator:
Weighted average common shares outstanding	5,391	5,349	5,378	5,338
Dilutive potential common shares	4	12	9	13
Shares used in diluted net income per common share calculations	5,395	5,361	5,387	5,351
Basic net income per common share	$ 0.12	$ 0.11	$ 0.14	$ 0.47
Diluted net income per common share	$ 0.12	$ 0.11	$ 0.14	$ 0.47
Shares excluded from diluted weighted shares outstanding	2,000	2,000	2,000	2,000