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Note 11 - Stock Based Compensation - Stock Option Activity (Details) - The 2023 Equity Plan [Member] - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Options, outstanding (in shares) |  |  | 500,500 | 465,500 |  |
Options, outstanding, weighted average exercise price (in dollars per share) |  |  | $ 9.59 | $ 9.36 |  |
Options, outstanding, aggregate intrinsic value |  |  | $ 1,561 | $ 1,106 |  | $ 70
Granted, options (in shares) |  | 465,500 | 0 | 58,000 |  |
Granted, weighted average exercise price (in dollars per share) |  |  | $ 0 | $ 11.34 |  |
Exercised, options (in shares) |  |  | (23,000) | (23,000) |  |
Exercised, weighted average exercise price (in dollars per share) |  |  | $ 9.36 | $ 9.36 |  |
Forfeited, options (in shares) |  |  | 10,000 | 0 |  |
Forfeited, weighted average exercise price (in dollars per share) |  |  | $ 9.36 | $ 0 |  |
Exercisable, options (in shares) |  |  | 175,400 | 106,900 |  |
Exercisable, weighted average exercise price (in dollars per share) |  |  | $ 9.49 | $ 9.36 |  |
Exercisable, aggregate intrinsic value | [1] |  | $ 607 | $ 261 | [2] |
Forfeited, options (in shares) |  |  | (10,000) | 0 |  |
Options, outstanding (in shares) |  |  | 467,500 | 500,500 |  |
Options, outstanding, weighted average exercise price (in dollars per share) |  |  | $ 9.61 | $ 9.59 |  |
[1] | Dollars in thousands. The aggregate intrinsic value of outstanding and exercisable options at September 30, 2023 and 2024 were calculated based on the closing market price of the Company's common stock of September 30, 2023 and 2024 of $10.35 and $9.05, respectively, per share less the exercise price.
[2] | Dollars in thousands. The aggregate intrinsic value of outstanding and exercisable options at September 30, 2023 and 2024 were calculated based on the closing market price of the Company's common stock of September 30, 2023 and 2024 of $10.35 and $9.05, respectively, per share less the exercise price.

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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