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Leases (Tables)

12 Months Ended

Dec. 31, 2024

Leases [Abstract]

Schedule of components of lease cost

The components of lease cost were as follows:

		For the year ended December 31,
		2022				2023				2024
		RMB				RMB				RMB				US$
Operating lease cost			37,447				35,197				26,494				3,630
Short-term lease cost			2,267				1,971				5,347				733
Total lease cost			39,714				37,168				31,841				4,363

Schedule of detailed Information about Leases

		For the year ended December 31,
		2022				2023				2024
		RMB				RMB				RMB				US$
Other information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating leases			37,811				37,700				27,385				3,752
ROU assets obtained in exchange for operating lease liabilities			4,311				—				65,841				9,020

Schedule of total rental related expenses

Future lease payments under operating leases as of December 31, 2024 were as follows:

		Operating leases
		RMB				US$
Years ending December 31,
2025			26,100				3,576
2026			16,097				2,205
2027			12,539				1,718
2028			—				—
2029			—				—
Total future lease payments			54,736				7,499
Less: imputed interest			(2,415	)			(331	)
Total lease liability balance			52,321				7,168

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Schedule Of Detalied Information Of Leases

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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