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Note 13 - Employee Stock Plans (Tables) | 9 Months Ended
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Sep. 30, 2022
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, 2021 |  |  | 79,903 |  |  | $ | 48.87 |  |  |  | 1.91 |
Granted |  |  | 115,005 |  |  | $ | 36.72 |  |  |  | 1.42 |
Vested |  |  | (77,535 | ) |  | $ | 40.97 |  |  |  | - |
Cancelled and forfeited |  |  | (6,938 | ) |  | $ | 46.94 |  |  |  | - |
Unvested at September 30, 2022 |  |  | 110,435 |  |  | $ | 41.89 |  |  |  | 1.99 |
Expected to vest in the future at September 30, 2022 |  |  | 107,527 |  |  | $ | 41.89 |  |  |  | 1.99 |

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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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- References No definition available. + Details
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