Related Parties - Additional Information (Detail) - ATR [Member] ¥ in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2026
USD ($)
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Jun. 30, 2026
CNY (¥)
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Jun. 30, 2025
USD ($)
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Jun. 30, 2025
CNY (¥)
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Jun. 30, 2026
USD ($)
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Jun. 30, 2026
CNY (¥)
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Jun. 30, 2025
USD ($)
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Jun. 30, 2025
CNY (¥)
|
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| Related Party Transaction [Line Items] | ||||||||
| Land lease commenced year | 2007 | 2007 | ||||||
| Land lease expiry year | 2054 | 2054 | ||||||
| Rent paid | $ 31 | ¥ 223 | $ 31 | ¥ 223 | $ 61 | ¥ 446 | $ 61 | ¥ 446 |
| Akers AB [Member] | ||||||||
| Related Party Transaction [Line Items] | ||||||||
| Ownership interest percentage | 59.88% | 59.88% | 59.88% | 59.88% | ||||
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- Definition Land lease commenced year. No definition available.
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- Definition Land lease expiry year. No definition available.
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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