Leases - Cash outflow for leases (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Leases | ||||
| Cash outflow for leases | $ 209 | $ 112 | $ 342 | $ 399 |
| Cash outflow for short-term and low-value leases | 51 | 80 | 102 | 139 |
| Total cash outflow for leases | $ 260 | $ 192 | $ 444 | $ 538 |