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Commitments and Contingencies - Future Minimum Rentals Payable Under Non-cancellable Operating Leases (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Disclosure of finance lease and operating lease by lessee [line items] |  |  |
Future minimum rentals payable under non-cancellable operating leases | ¥ 4,947 | $ 783 | ¥ 2,020
One year or less [member] |  |  |
Disclosure of finance lease and operating lease by lessee [line items] |  |  |
Future minimum rentals payable under non-cancellable operating leases | 2,769 | 438 | 321
Later than one year and not later than five years [member] |  |  |
Disclosure of finance lease and operating lease by lessee [line items] |  |  |
Future minimum rentals payable under non-cancellable operating leases | 2,178 | 345 | 1,628
Later than five years [member] |  |  |
Disclosure of finance lease and operating lease by lessee [line items] |  |  |
Future minimum rentals payable under non-cancellable operating leases |  |  | ¥ 71

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- Details
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