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Income tax expense/(credit) (Tables) | 12 Months Ended
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Dec. 31, 2025
Income taxes paid (refund) [abstract] |
Summary of income tax credit |
| 2025 |  | 2024 |  | 2023
|  |  | (Restated) |  | (Restated)
Continuing operations |  |  |  |  |
Current tax - Hong Kong Profits Tax |  |  |  |  |
Overprovisions related to prior years | $ | — |  |  | $ | (7,422) |  |  | $ | (23) |
Current tax - Overseas |  |  |  |  |
Underprovisions related to prior years | 1 |  |  | — |  |  | — |
Current year | 53 |  |  | (87) |  |  | 68 |
Deferred tax |  |  |  |  |
Origination and reversal of temporary differences | (20) |  |  | (130) |  |  | 9 |
Tax expense/(credit) | $ | 34 |  |  | $ | (7,639) |  |  | $ | 54 |
Schedule of reconciliation between tax credit credited to profit or loss and accounting loss | The credit for the year can be reconciled to the loss before taxation as follows:
| 2025 |  | 2024 |  | 2023
|  |  | (Restated) |  | (Restated)
Continuing operations |  |  |  |  |
Loss before taxation | $ | (36,213) |  |  | $ | (46,025) |  |  | $ | (42,944) |
Tax at average income tax rate (Note) | $ | (4,687) |  |  | $ | (1,697) |  |  | $ | (7,531) |
Tax effect of non-deductible expenses | 1,399 |  |  | 1,364 |  |  | 3,173 |
Tax effect of non-taxable income | (93) |  |  | (2,776) |  |  | (705) |
Tax effect on utilization of previously unrecognized tax losses | — |  |  | — |  |  | (71) |
Under/(over) provision in respect of prior years | 1 |  |  | (7,422) |  |  | — |
Tax effect of tax losses not recognized | 3,401 |  |  | 3,147 |  |  | 5,143 |
Tax effect of deductible temporary differences not recognized | 3 |  |  | 5 |  |  | — |
Tax effect of previously unrecognized temporary differences recognized in current year | (20) |  |  | (260) |  |  | — |
Others | 30 |  |  | — |  |  | 45 |
| $ | 34 |  |  | $ | (7,639) |  |  | $ | 54 |
Note: The average income tax rates for the years ended December 31, 2025, 2024 and 2023 represent the weighted average tax rate of the operations in different jurisdictions on the basis of the relative amounts of loss before taxation and the relevant statutory rates.

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- Definition Schedule Of Effective Income Tax Rate Reconciliation1 + References No definition available. + Details
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