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Note 15 - Stockholders' Equity and Stock Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Nonvested Share Activity [Table Text Block] |
​ |  | ​ |  |  | Weighted |
​ |  | ​ |  |  | Average Grant |
​ |  | ​ |  |  | Date |
​ |  | Shares |  |  | Fair Value |
Nonvested shares at January 1, 2025 |  |  | 114,710 |  |  | $ | 47.41 |
Granted in 2025 |  |  | 43,736 |  |  |  | 93.97 |
Vested in 2025 |  |  | (57,183 | ) |  |  | 49.85 |
Forfeited in 2025 |  |  | (15,471 | ) |  |  | 49.25 |
Nonvested shares at June 30, 2025 |  |  | 85,792 |  |  | $ | 68.95 |

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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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