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Taxation (Details) - Schedule of Reconciliations of the Income Tax Expenses - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Reconciliations of the Income Tax Expenses [Abstract] |  |  |  |
(Loss)/income before income tax |  | $ 2,524 | $ (19,764) | $ (46,084)
Income tax computed at statutory PRC income tax rate (25%) | [1] | 631 | (4,941) | (11,521)
Differential income tax rates applicable to certain entities comprising the Company |  | 74 | 1,791 | 4,061
Effect of tax holiday |  | (448) | 469 | 1,786
Permanent differences | [2] | (174) | 2,100 | 1,826
Change in valuation allowance |  | 133 | 1,569 | 5,405
Accelerated deductions on research and development expenses | [3] | (146) | (827) | (1,313)
Income tax expenses |  | $ 70 | $ 161 | $ 244
[1] | The PRC statutory income tax rate was used because the majority of the Company’s operations are based in the PRC.
[2] | Permanent differences primarily represent non-deductible expenses.
[3] | This amount represents tax incentives relating to the research and development expenses of certain major operating subsidiaries in the PRC.

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