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FAIR VALUE MEASUREMENTS - Fair value of its derivative liability on a recurring basis using significant unobservable (Level 3) inputs (Details) - Dec. 31, 2022 ¥ in Thousands, $ in Thousands	CNY (¥)	USD ($)
FAIR VALUE MEASUREMENTS
Derivative liability	¥ 5,290	$ 767
Significant unobservable inputs (Level 3)
FAIR VALUE MEASUREMENTS
Derivative liability	¥ 5,290

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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