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Note 12 - Stock-based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted-Average |  |  |  |  |
|  |  |  |  |  | Weighted- |  |  | Remaining |  |  |  |  |
|  |  |  |  |  | Average |  |  | Contractual Term In |  |  | Aggregate |
|  | Shares |  |  | Exercise Price |  |  | Years |  |  | Intrinsic Value |
Outstanding at January 1, 2024 |  |  | 662,279 |  |  | $ | 28.12 |  |  |  | 6.69 |  |  | $ | 5,852,975 |
Granted |  |  | — |  |  | $ | — |  |  |  | — |  |  |  | — |
Less exercised |  |  | 18,612 |  |  | $ | 8.45 |  |  |  | — |  |  | $ | 531,699 |
Less forfeited |  |  | 12,000 |  |  |  | 30.73 |  |  |  | — |  |  |  | — |
Outstanding at June 30, 2024 |  |  | 631,667 |  |  | $ | 28.65 |  |  |  | 6.32 |  |  | $ | 4,925,343 |
Expected to vest, assuming a 0.31% annual forfeiture rate at June 30, 2024 (1) |  |  | 624,770 |  |  | $ | 28.65 |  |  |  | 6.24 |  |  | $ | 4,872,165 |
Exercisable at June 30, 2024 |  |  | 364,850 |  |  | $ | 27.88 |  |  |  | 5.28 |  |  | $ | 3,125,310 |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Grant-Date Fair Value |
Nonvested Shares |  | Shares |  |  | Per Share |
Nonvested at January 1, 2024 |  |  | 102,144 |  |  | $ | 29.61 |
Granted |  |  | — |  |  |  | — |
Less vested |  |  | — |  |  |  | — |
Less forfeited |  |  | 4,000 |  |  |  | 30.73 |
Nonvested at June 30, 2024 |  |  | 98,144 |  |  | $ | 29.57 |

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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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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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