Note 8 - Long-term Investment - Summary of Long-term Investments (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Balance | $ 397 | $ 794 |
| Cash investments during the year | 720 | 2 |
| Disposed during the year | 0 | (397) |
| Impairment losses provided during the year | 0 | (2) |
| Balance | $ 1,117 | $ 397 |