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Note 9 - Stock Incentive Plan - Share Based Compensation Arrangements by Share Based Payment Award (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Stock based compensation | $ 309 | $ 553 | $ 1,198
Deferred Stock Units [Member] |  |  |
Outstanding, shares (in shares) | 154,385 | 96,704 |
Outstanding, grant date fair value (in dollars per share) | $ 12.98 | $ 15.69 |
Granted and vested, shares (in shares) | 78,583 | 57,681 |
Granted and vested, grant date fair value (in dollars per share) | $ 7.32 | $ 8.43 |
Outstanding, shares (in shares) | 232,968 | 154,385 | 96,704
Outstanding, grant date fair value (in dollars per share) | $ 11.07 | $ 12.98 | $ 15.69
Stock based compensation | $ 458 | $ 429 |
Intrinsic value, end of period | $ 1,677 | $ 1,201 |

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- Definition The weighted average grant-date fair value of non-options granted during the reporting period as calculated by applying the disclosed pricing methodology. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of outstanding non options + References No definition available. + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Net number of non-option equity instruments granted to participants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + 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)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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- Definition Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-4 + Details
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