Short-term investments (Details) ¥ in Thousands, $ in Thousands |
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025
CNY (¥)
|
|---|---|---|---|
| Short-term investments | |||
| Held-to-maturity, Cost | ¥ 5,000 | $ 737 | |
| Held-to-maturity, Fair value | 5,000 | 737 | |
| Equity investments, Cost | 5,000 | 737 | ¥ 5,000 |
| Equity investments, Gross unrecognized gains | 62 | 90 | |
| Equity investments, Fair value | 5,062 | 746 | 5,090 |
| Total short-term investments, Cost | 10,000 | 1,474 | 5,000 |
| Total short-term investments, Gross unrecognized gains | 62 | 90 | |
| Total short-term investments, Fair value | ¥ 10,062 | $ 1,483 | ¥ 5,090 |
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- Definition Amount of accumulated unrealized holding gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). No definition available.
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- Definition Amount of accumulated unrecognized gain on short-term investment . No definition available.
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- Definition Amortized cost of short-term investments. No definition available.
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- References No definition available.
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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