Income taxes, Carryforwards (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Income taxes [Abstract] | ||
| Effective tax rate | (14.40%) | (176.40%) |
| Federal [Member] | ||
| Income taxes [Abstract] | ||
| Net operating loss carryforwards | $ 3,500 | |
| State [Member] | ||
| Income taxes [Abstract] | ||
| Net operating loss carryforwards | 221 | |
| Tax credit carryforwards | 0 | |
| R&D Credit [Member] | ||
| Income taxes [Abstract] | ||
| Tax credit carryforwards | 1,200 | |
| Deferred Income Tax Assets [Member] | ||
| Valuation allowance [Roll Forward] | ||
| Discrete income tax charge for valuation allowance | $ 561 | $ 7,384 |
| Deferred Tax Assets in United States [Member] | ||
| Valuation allowance [Roll Forward] | ||
| Discrete income tax charge for valuation allowance | $ 7,300 | |