Note 8 - Fair Value Measurements - Reconciliation of Liabilities with Unobservable Inputs (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Balance | $ 16,400,000 | $ 0 |
| Warrant liabilities at issuance | 7,766,000 | 19,494,000 |
| Change in fair value of warrant liabilities | (8,584,000) | (3,094,000) |
| Less: Fair value of warrant liabilities at Issuance | (7,766,000) | (19,494,000) |
| Balance | $ 50,000 | $ 16,400,000 |
| 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
|
| 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
|
| 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
|