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Restricted assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Restricted assets (Details) [Line Items] |  |
After-tax profits | 10.00% |
Reserve funds | 50.00% |
PRC [Member] |  |
Restricted assets (Details) [Line Items] |  |
Statutory reserve | $ 12,230 | $ 8,660

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