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Note 13 - Employee Stock Plans (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  | Weighted |  |  | Average |
|  |  |  |  |  | Average |  |  | Remaining |
|  |  |  |  |  | Grant Date |  |  | Contractual |
|  | Shares |  |  | Fair value |  |  | Term (in years) |
Unvested at December 31, 2022 |  |  | 111,264 |  |  | $ | 41.89 |  |  |  | 1.76 |
Granted |  |  | 106,764 |  |  | $ | 40.81 |  |  |  | 1.29 |
Vested |  |  | (79,592 | ) |  | $ | 44.47 |  |  |  | - |
Cancelled and forfeited |  |  | (178 | ) |  | $ | 34.74 |  |  |  | - |
Unvested at March 31, 2023 |  |  | 138,258 |  |  | $ | 39.58 |  |  |  | 1.76 |
Expected to vest in the future at March 31, 2023 |  |  | 135,251 |  |  | $ | 39.58 |  |  |  | 1.76 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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