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Note 10 - Net Income Per Share - Computation of Basic and Diluted Net Income per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Net income $ 6,040 $ 6,038
Basic (in shares) 22,111 21,935
Basic earnings per share (in dollars per share) $ 0.27 $ 0.28
Common stock equivalents, if dilutive (in shares) 163 168
Shares used in computing diluted earnings per common share (in shares) 22,274 22,103
Diluted earnings per share (in dollars per share) $ 0.27 $ 0.27
Shares excluded in computing diluted earnings per share as those shares would be anti-dilutive (in shares) 320 430