Principal Accounting Policies (Tables)
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12 Months Ended |
Dec. 31, 2025 |
| Principal Accounting Policies |
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| Schedule of assets and liabilities that are measured at fair value on a recurring basis |
| | | | | | | | | | | | | Fair value measurement at reporting date using | | | Fair value | | Quoted Prices in Active | | | | Significant | | | as of | | Markets for Identical | | Significant Other | | Unobservable | | | December 31, | | Assets | | Observable Inputs | | Inputs | Description | | 2024 | | (Level 1) | | (Level 2) | | (Level 3) | | | US$ | | US$ | | US$ | | US$ | Assets: | | | | | | | | | Short-term investments | | 57,525 | | 2,117 | | 55,408 | | — | Long-term investments | | 7,116 | | — | | 195 | | 6,921 | | | 64,641 | | 2,117 | | 55,603 | | 6,921 |
| | | | | | | | | | | | | Fair value measurement at reporting date using | | | Fair value | | Quoted Prices in Active | | | | Significant | | | as of | | Markets for Identical | | Significant Other | | Unobservable | | | December 31, | | Assets | | Observable Inputs | | Inputs | Description | | 2025 | | (Level 1) | | (Level 2) | | (Level 3) | | | US$ | | US$ | | US$ | | US$ | Assets: | | | | | | | | | Short-term investments | | 61,270 | | 2,938 | | 58,332 | | — | Long-term investments | | 7,449 | | — | | 242 | | 7,207 | | | 68,719 | | 2,938 | | 58,574 | | 7,207 |
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| Schedule of roll forward of major Level 3 investments |
| | | | | US$ | | | | Fair value of Level 3 investments as of December 31, 2023 | | 9,874 | Disposal | | (2,706) | The change in fair value of the investments | | (247) | Fair value of Level 3 investments as of December 31, 2024 | | 6,921 | The change in fair value of the investments | | 286 | Fair value of Level 3 investments as of December 31, 2025 | | 7,207 |
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| Schedule of significant unobservable inputs adopted in the valuation |
| | | | | | | | As of December 31, | | | | 2024 | | 2025 | | Unobservable Inputs | | | | | | | | | | | | Expected volatility | | 40%-71 | % | 33% - 73 | % | Probability | | Liquidation scenario:38%-45 | % | Liquidation scenario: 38% - 40 | % | | | Redemption scenario:38%-45 | % | Redemption scenario: 38% - 40 | % | | | IPO scenario:10%-25 | % | IPO scenario: 20% - 25 | % |
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| Schedule of property, plant and equipment estimated useful life |
| | | Leasehold improvements | | the shorter of their useful lives and the lease terms | Computers and electronic equipment | | 3 years | Office equipment | | 3 years | Software | | 3 years |
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| Disaggregated major revenue |
| | | | | | | | | Year Ended December 31, | | | 2023 | | 2024 | | 2025 | | | US$ | | US$ | | US$ | PaaS | | 167,694 | | 217,069 | | 231,209 | Smart solution | | 26,517 | | 41,965 | | 45,702 | SaaS and others | | 35,779 | | 39,583 | | 44,880 | Total revenue | | 229,990 | | 298,617 | | 321,791 |
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| Schedule of our segment results |
| | | | | | | | | Year Ended December 31, | | | 2023 | | 2024 | | 2025 | | | US$ | | US$ | | US$ | Revenue | | 229,990 | | 298,617 | | 321,791 | Cost of revenue | | (123,335) | | (157,187) | | (166,750) | | | | | | | | Segment gross profit | | 106,655 | | 141,430 | | 155,041 | | | | | | | | Research and development expenses | | (102,277) | | (95,049) | | (89,687) | Selling, general and administrative expenses | | (121,103) | | (105,335) | | (64,026) | Other operating incomes, net | | 10,901 | | 11,334 | | 10,151 | | | | | | | | Segment (loss)/profit from operations | | (105,824) | | (47,620) | | 11,479 |
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