Note 15 - Earnings Per Common Share - Earnings Per Common Share (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic earnings per share (in shares)	10,627,709	10,672,314	10,873,817
Basic earnings per share (in dollars per share)	$ 2.46	$ 3.23	$ 4
Effect of dilutive securities - stock options (in shares)	850	2,299	3,414
Effect of dilutive securities - stock options (in dollars per share)	$ 0	$ 0	$ 0
Diluted earnings per share (in shares)	10,628,559	10,674,613	10,877,231
Diluted earnings per share (in dollars per share)	$ 2.46	$ 3.23	$ 4

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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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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AMERICAN NATIONAL BANKSHARES INC. 10-K