Note 4 - Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Realized gain / (loss) | $ 78 | $ 639 | $ (6,872) | $ 1,049 |
| Unrealized loss | (168) | 0 | (284) | (670) |
| Dividend income | 23 | 167 | 75 | 260 |
| Total | $ (67) | $ 806 | $ (7,081) | $ 639 |
| X | ||||||||||
- Definition Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) on investment in marketable security. No definition available.
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| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in marketable security. No definition available.
|
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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