Note 7 - Investments, Including Investments Accounted for Using the Equity Method - Marketable Equity Securities and Trading Securities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Marketable equity securities, Cost | $ 209 | $ 0 |
| Marketable equity securities, Gross Unrealized Gain (Loss) | (3) | 0 |
| Marketable equity securities | $ 206 | $ 0 |
| X | ||||||||||
- Definition The accumulated unrealized gain (loss) on equity securities. No definition available.
|
| X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|