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Note 14 - Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2022 |  |  | 147,317 |  |  | $ | 40.88 |
Issued |  |  | 152,446 |  |  | $ | 25.26 |
Vested |  |  | (51,638 | ) |  | $ | 33.51 |
Forfeited |  |  | (3,900 | ) |  | $ | 37.51 |
Outstanding at December 31, 2023 |  |  | 244,225 |  |  | $ | 32.75 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average of Remaining Contractual Life (in years) |  |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2022 |  |  | 802,163 |  |  | $ | 12.23 |  |  |  |  |  |  |  |  |
Issued |  |  | — |  |  | $ | — |  |  |  |  |  |  |  |  |
Exercised |  |  | (576,758 | ) |  | $ | 5.90 |  |  |  |  |  |  |  |  |
Expired/Forfeited |  |  | (1,999 | ) |  | $ | 15.30 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2023 |  |  | 223,406 |  |  | $ | 28.52 |  |  |  | 2.2 |  |  | $ | 2,502,824 |
Exercisable at December 31, 2023 |  |  | 178,790 |  |  | $ | 26.31 |  |  |  | 2.1 |  |  | $ | 2,366,192 |
Schedule of Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] |
|  | Year ended December 31, |
|  |  | 2023 |  |  |  | 2022 |
Weighted average fair value per share of options granted |  |  | N/A |  |  |  | N/A |
Cash received from options exercised, net |  | $ | 3,405 |  |  | $ | 3,731 |
Aggregate intrinsic value of options exercised |  | $ | 15,497 |  |  | $ | 74,296 |
Grant date fair value of shares vested |  | $ | 1,435 |  |  | $ | 1,802 |

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- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (d)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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