Schedule of disaggregated cost of revenue and research and development (Details) ¥ in Thousands, $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
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Jun. 30, 2026
USD ($)
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Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2025
CNY (¥)
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| Segment Reporting [Abstract] | |||
| Cost of revenue (excluding the impact of write-down) | ¥ 7,735 | ¥ 35,170 | |
| Inventory provision, write-down of prepayments and provision for inventory purchase commitments | 14,332 | 54,782 | |
| Total cost of revenue | 22,067 | 89,952 | |
| Salary, bonus, welfare and share-based compensation expense | 16,225 | 21,645 | |
| New products development | 4,907 | 18,134 | |
| Depreciation | 1,223 | 1,813 | |
| Total research and development expenses | $ 3,294 | ¥ 22,355 | ¥ 41,592 |
| X | ||||||||||
- Definition Cost of revenue excluding impact of write down No definition available.
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- Definition Deferred compensation arrangement with individual salary, bonus, welfare and share-based compensation expense. No definition available.
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- Definition Inventory provision write down of prepayments and provision for inventory purchase commitments No definition available.
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense for research and development. Excludes cost for computer software product to be sold, leased, or otherwise marketed, writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both, and write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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