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Note 12 - Stock Incentive Plan (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Nonvested Share Activity [Table Text Block] |
Non-vested Shares |  | Number of shares |  |  | Weighted-Average Grant-Date Fair Value |
Non-vested on January 1, 2021 |  |  | 53,303 |  |  |  | 3.46 |
Granted |  |  | 49,650 |  |  |  | 26.26 |
Vested |  |  | (30,360 | ) |  |  | 3.47 |
Non-vested on December 31, 2021 |  |  | 72,593 |  |  |  | 19.05 |
Non-vested on January 1, 2022 |  |  | 72,593 |  |  |  | 19.05 |
Granted |  |  | 60,000 |  |  |  | 18.98 |
Vested |  |  | (48,350 | ) |  |  | 17.05 |
Non-vested on December 31, 2022 |  |  | 84,243 |  |  |  | 20.15 |
Non-vested on January 1, 2023 |  |  | 84,243 |  |  |  | 20.15 |
Granted |  |  | 60,500 |  |  |  | 23.92 |
Vested |  |  | (53,750 | ) |  |  | 22.26 |
Non-vested on December 31, 2023 |  |  | 90,993 |  |  |  | 21.41 |

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