Note 12 - Share-based Compensation - Share-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Total share-based compensation | $ 1,016 | $ 565 | $ 2,654 | $ 1,496 |
| General and Administrative Expense [Member] | ||||
| Total share-based compensation | 646 | 418 | 1,862 | 1,047 |
| Research and Development Expense [Member] | ||||
| Total share-based compensation | $ 370 | $ 147 | $ 792 | $ 449 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|