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Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Payments Under Non-cancelable Operating Leases

As of December 31, 2021, future minimum payments under non-cancellable operating leases were as follows:

		RMB				US$
2022			9,333				1,465
2023			6,577				1,032
2024			5,381				844
Total			21,291				3,341

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- References

No definition available.

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123406913&loc=d3e41502-112717

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