Cash and cash equivalents, restricted cash and short-term investments.

No definition available.

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- Definition

Number of suppliers.

+ References

No definition available.

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- Definition

Percentage of appreciation of functional currency against reporting currency.

+ References

No definition available.

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- Definition

Summary of significant accounting policies.

+ References

No definition available.

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- Definition

The aggregate expected value at the end of their useful life of a major finite-lived intangible asset class acquired during the period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(2)
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
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-Publisher FASB
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-SubTopic 30
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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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Summary of Significant Accounting Policies - Additional Information (Details) ¥ in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2022 CNY (¥) Supplier	Jun. 30, 2022 USD ($) Supplier	Jun. 30, 2021 CNY (¥) Supplier	Jun. 30, 2022 USD ($)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Foreign currency exchange rate	6.6981			6.6981
Finite lived intangible asset residual value \| ¥	¥ 0
Revenue Recognized	42,182	$ 6,298	¥ 44,405
Unsatisfied performance obligation	¥ 31,562			$ 4,712
Depreciation of the US$ against RMB, percent	5.11%	5.11%
Product Concentration Risk \| Suppliers \| Three Suppliers [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	38.20%	38.20%	49.20%
Advertising
Summary Of Significant Accounting Policies [Line Items]
Number of suppliers \| Supplier	3	3	3
CHINA
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents, restricted cash and short-term investments	¥ 102,450			15,295	¥ 276,644
Outside China
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents, restricted cash and short-term investments	¥ 9,534			$ 1,423		$ 2,186