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Note 12 - Stock Based Compensation - Restricted Stock Activity (Details) | 9 Months Ended
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Sep. 30, 2023 $ / shares shares
Non-vested, shares (in shares) | shares | 55,833
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares | $ 43.87
Granted, shares (in shares) | shares | 10,102
Granted, weighted average grant date fair value (in dollars per share) | $ / shares | $ 35.01
Vested, shares (in shares) | shares | (17,549)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares | $ 44.24
Forfeited, shares (in shares) | shares | (4,629)
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares | $ 42.78
Non-vested, shares (in shares) | shares | 43,757
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares | $ 41.79

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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X
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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X
- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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