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DEFERRED TAX ASSETS AND LIABILITIES (Details 4) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Deferred Tax Assets And Liabilities |  |  |
Deductible temporary differences with no deferred tax assets recognized | $ 3,179 | ¥ 21,929 | ¥ 13,148
Tax losses with no deferred tax assets recognized | 2,330 | 16,073 | 16,536
Total | $ 5,509 | ¥ 38,002 | ¥ 29,684

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