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Note 5 - Share-based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2025 |
Expected dividend yield at date of grant |  |  | 3.86 | %
Expected stock price volatility |  |  | 33.75 | %
Risk-free interest rate |  |  | 4.72 | %
Expected life of options (in years) |  |  | 8.0 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Terms (Years) |  |  | Aggregate Intrinsic Value (In thousands) |
Outstanding at December 31, 2024 |  |  | 470,321 |  |  | $ | 35.38 |  |  |  |  |  |  |  |  |
Granted |  |  | 11,021 |  |  | $ | 17.34 |  |  |  |  |  |  |  |  |
Exercised |  |  | 10,014 |  |  | $ | 13.17 |  |  |  |  |  |  |  |  |
Expired |  |  | 59,965 |  |  | $ | 24.70 |  |  |  |  |  |  |  |  |
Forfeited |  |  | 32,695 |  |  | $ | 41.29 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2025 |  |  | 378,668 |  |  | $ | 36.62 |  |  |  | 5.87 |  |  | $ | 34 |
Exercisable at June 30, 2025 |  |  | 322,704 |  |  | $ | 36.63 |  |  |  | 5.65 |  |  | $ | 34 |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Terms (Years) |  |  | Aggregate Intrinsic Value (In thousands) |
Outstanding at December 31, 2024 |  |  | 404,833 |  |  | $ | 39.54 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | 300,000 |  |  | $ | 39.54 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2025 |  |  | 104,833 |  |  | $ | 39.54 |  |  |  | 4.56 |  |  | $ | - |
Exercisable at June 30, 2025 |  |  | - |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Nonvested Share Activity [Table Text Block] |
|  | Common Stock Outstanding |  |  | Weighted Average Grant Date Fair Value Per Share |
Outstanding at December 31, 2024 |  |  | - |  |  |  |  |
Granted |  |  | 700,000 |  |  |  | 13.19 |
Vested |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |
Outstanding at June 30, 2024 |  |  | 700,000 |  |  | $ | 13.19 |

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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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(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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