Note 8 - Share-based Compensation - Share-based Compensation Expenses 2 (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Expense | $ 1,531 | $ 331 | $ 2,322 | $ 671 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Share-Based Payment Arrangement, Expense | 1,264 | 267 | 1,787 | 537 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Share-Based Payment Arrangement, Expense | 143 | 36 | 295 | 82 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||||
| Share-Based Payment Arrangement, Expense | $ 124 | $ 28 | $ 240 | $ 52 |