Note 6 - Investments - Schedule of Investments (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Investments [Abstract] | ||
| Equity securities | $ 8,050 | $ 9,268 |
| Equity securities, underlying value | 0 | 0 |
| Equity Method | 0 | 0 |
| Equity Method Underlying Equity in Net Assets | 1,331 | 1,555 |
| Equity securities with no readily determinable fair value | 31,409 | 4,139 |
| Equity securities with no readily determinable fair value, underlying value | 0 | 0 |
| Variable interest entity, equity method | 755 | 758 |
| Variable interest Entity, equity method, Underlying Equity In Net Assets | 0 | 0 |
| Warrants and options | 3 | 3 |
| Warrants And Options Underlying Equity in Net Asset | 0 | 0 |
| Total carrying value of investments | $ 40,217 | $ 14,168 |
| X | ||||||||||
- Definition Represents the carrying value of equity instruments held as part of equity investments. No definition available.
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| X | ||||||||||
- Definition Amount of variable interest entities included equity method investments. No definition available.
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| X | ||||||||||
- Definition Equity securities without readily determinable fair value underlying equity in net assets. No definition available.
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| X | ||||||||||
- Definition Equity underlying equity in net assets. No definition available.
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| X | ||||||||||
- Definition Variable interest entity underlying equity in net assets. No definition available.
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| X | ||||||||||
- Definition Warrants and options underlying equity in net asset. No definition available.
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| X | ||||||||||
- Definition This item represents the entity's ownership percentage in the investee multiplied by the investee's total equity. 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 Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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