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Note 11 - Earnings Per Common Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 1,705	$ 2,261
Weighted average shares outstanding – basic (in shares)	4,950,887	4,960,264
Potentially dilutive common shares – restricted stock units (in shares)	5,083	3,870
Weighted average shares outstanding – diluted (in shares)	4,955,970	4,964,134
Basic (in dollars per share)	$ 0.34	$ 0.46
Diluted (in dollars per share)	$ 0.34	$ 0.46

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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