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Number of warrants or rights outstanding.

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Per share or unit weighted-average intrinsic value of award forfeited under share-based payment arrangement. Excludes share and unit options.

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Per share or unit weighted-average intrinsic value of award granted under share-based payment arrangement. Excludes share and unit options.

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Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of non-option equity instruments exercised by participants.

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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Weighted average price of options that were either forfeited or expired.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Warrant liabilities (Details 2) - ¥ / shares	1 Months Ended	12 Months Ended
Warrant liabilities (Details 2) - ¥ / shares	Sep. 16, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding warrants Exercised	218,247
Private Warrants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding warrants, beginning		270,500	270,500
Weighted Average Exercise Price Per Share , beginning		¥ 11.50	¥ 11.50
Average remaining Period (Years)		4 years	5 years	5 years
Outstanding warrants Issued
Weighted Average Exercise Price Per Share Issued
Outstanding warrants Forfeited
Weighted Average Exercise Price Per Share Forfeited
Outstanding warrants Exercised
Weighted Average Exercise Price Per Share Exercised
Outstanding warrants Expired
Weighted Average Exercise Price Per Share Expired
Outstanding warrants, beginning		270,500	270,500	270,500
Weighted Average Exercise Price Per Share , beginning		¥ 11.50	¥ 11.50	¥ 11.50