Accumulated other comprehensive income, net of tax (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Accumulated other comprehensive income, net of tax | |||
| Accumulated other comprehensive income - Opening Balance | $ 758 | $ 784 | |
| Total net foreign currency translation adjustments | (39) | $ (2) | |
| Total unrealized gain on available-for-sale debt securities | 25 | ||
| Total defined benefit pension adjustment | 108 | (27) | 11 |
| Total other comprehensive income / (loss), net | 94 | (27) | 9 |
| Accumulated other comprehensive income - Closing Balance | 852 | $ 758 | $ 784 |
| other comprehensive income | $ 0 | ||
| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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- Definition Amount, after tax and reclassification adjustment, of gain (loss) in value of unsold investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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