Note 6 - Investments - Schedule of Investments (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Available-for-sale fixed maturities, at fair value (amortized cost of $40,207 and $37,005, respectively) | $ 38,936 | $ 36,765 | ||
| Investments in private companies, at adjusted cost (a) | [1] | 575 | 575 | |
| Short-term investments, at cost which approximates fair value | 180 | 178 | ||
| Total investments | 43,559 | 41,643 | ||
| Limited Liability Investments [Member] | ||||
| Limited liability investment, at fair value (a) | [1] | 3,232 | 3,476 | |
| Limited liability investments (a) | [1] | $ 636 | $ 649 | |
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| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value portion of investments accounted under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Cost of the investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Fair value of investment in security owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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