Note 2 - Summary of Significant Accounting Policies - Reconciliation of Level 3 Assets and Liabilities (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Royalties Payable [Member] | ||
| Balance | $ 9,213 | $ 6,974 |
| Issuance of convertible notes payable | 0 | |
| Exchange of royalties payable due to related parties (see Note 8) | (2,712) | |
| Change in fair value | (5,709) | 2,239 |
| Balance | 792 | 9,213 |
| Convertible Notes Payable [Member] | ||
| Balance | 0 | 0 |
| Issuance of convertible notes payable | 300 | |
| Exchange of royalties payable due to related parties (see Note 8) | 0 | |
| Change in fair value | (2) | 0 |
| Balance | $ 298 | $ 0 |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
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