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Note 9 - Stock Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
Non-vested Shares |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Non-vested at January 1, 2022 |  |  | 44,235 |  |  | $ | 42.33 |
Granted |  |  | 18,891 |  |  |  | 47.96 |
Vested |  |  | (10,863 | ) |  |  | 41.56 |
Forfeited |  |  | (513 | ) |  |  | 44.17 |
Non-vested at March 31, 2022 |  |  | 51,750 |  |  | $ | 44.53 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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