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The percentage of equity interests acquired from non-controlling shareholders.

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No definition available.

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No definition available.

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Represents the total unearned revenues.

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No definition available.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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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.

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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.

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

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Significant Accounting Policies (Details) ¥ in Thousands, $ in Thousands	6 Months Ended				12 Months Ended
	Jun. 30, 2024 CNY (¥)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 CNY (¥) Segment shares	Dec. 31, 2023 USD ($) Segment shares	Dec. 31, 2022 CNY (¥) shares	Dec. 31, 2021 CNY (¥) shares	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 01, 2022	Dec. 31, 2020 CNY (¥)
Significant Accounting Policies [Line Items]
Cash at bank and demand deposits					¥ 3,000		¥ 61,100			$ 400	$ 8,800
Cash and cash equivalent	¥ 5,000		¥ 21,941		9,600		69,895	¥ 63,461	$ 689	1,316			¥ 109,916
Restricted cash	4,339				6,429		6,948		$ 597	$ 905
Impairment loss							69,853
Impairment charge related to long-lived assets	300	$ 41	1,515		1,515	$ 213	19,743
Total unearned revenues					5,400		5,100
Revenue recognized from customers							14,900	23,700
Advertising and promotional expenses					¥ 98,500		¥ 57,600	¥ 140,100
Percentage of equity interests acquired from non-controlling shareholders												45.00%
Number of operating segment (in Segment) \| Segment					1	1
Number of reportable segment (in Segment) \| Segment					1	1
Impairment charge	¥ 300		¥ 1,500
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Number of shares excluded from calculation of diluted net loss per share (in Shares) \| shares					3,880,000	3,880,000	3,573,750	6,034,250
Prc subsidiaries [Member]
Significant Accounting Policies [Line Items]
Cash and cash equivalent					¥ 6,600		¥ 12,700
Percentage of cash and cash equivalents					68.50%	68.50%	18.20%
Contract Liabilities [Member]
Significant Accounting Policies [Line Items]
Revenue recognized from customers					¥ 5,000
Customer Two [Member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue							10.00%
Customer Two [Member] \| Customer Concentration Risk [Member] \| Revenue from Contract with Customer Benchmark [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue							17.90%
Customer Three [Member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue					10.00%	10.00%
Customer One [Member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue	10.00%	10.00%	10.00%	10.00%
Customer One [Member] \| Customer Concentration Risk [Member] \| Revenue from Contract with Customer Benchmark [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue					16.10%	16.10%	24.10%	18.70%
Customer One [Member] \| Customer Concentration Risk [Member] \| Revenue Benchmark [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue	11.50%	11.50%
Other Customer [Member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Percentage of revenue	10.00%	10.00%
Other Noncurrent Assets [Member]
Significant Accounting Policies [Line Items]
Impairment charge related to long-lived assets					¥ 1,500		¥ 19,700
US [Member]
Significant Accounting Policies [Line Items]
Convenience translation	1				1				1	1
RMB [Member]
Significant Accounting Policies [Line Items]
Convenience translation	7.2672				7.0999				7.2672	7.0999