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Prepayments And Other Current Assets - Summary of Prepayments And Other Current Assets (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
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Deferred Costs Capitalized Prepaid And Other Assets [Abstract] |  |  |
Deductible input VAT | ¥ 7,402 | $ 1,014 | ¥ 17,027
Prepayments | 11,853 | 1,624 | 15,845
Deposits | 6,136 | 841 | 13,405
Interest receivable | 177 | 24 | 1,179
Others | 395 | 54 | 2,798
Prepayments and other Current Assets | ¥ 25,963 | $ 3,557 | ¥ 50,254

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