Earnings Per Share (Computation of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Calculation of Earnings Per Share [Abstract]
Net income	$ 1,038	$ 1,413
Weighted-average common shares outstanding	5,103,000	5,095,000
Basic earnings per share	$ 0.20	$ 0.28
Common stock equivalents due to effect of stock options	8,000	22,000
Total weighted-average common shares and equivalents	5,111,000	5,117,000
Diluted earnings per share	$ 0.20	$ 0.28
Anti-dilutive stock options outstanding	5.00