Note 8 - Share-based Compensation - Share-based Compensation Expenses (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Share-Based Payment Arrangement, Expense | $ 331 | $ 423 | $ 671 | $ 1,023 |
| Capitalized in intangible assets | 8 | 11 | 17 | 29 |
| Total share-based compensation | 339 | 434 | 688 | 1,052 |
| Selling and Marketing Expense [Member] | ||||
| Share-Based Payment Arrangement, Expense | 28 | 57 | 52 | 141 |
| Research and Development Expense [Member] | ||||
| Share-Based Payment Arrangement, Expense | 36 | 55 | 82 | 100 |
| General and Administrative Expense [Member] | ||||
| Share-Based Payment Arrangement, Expense | $ 267 | $ 311 | $ 537 | $ 782 |