v3.22.2.2
CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
CNY (¥)
Jun. 30, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH            
Cash and cash equivalents $ 9,230 ¥ 61,824   ¥ 157,399    
Restricted cash 347 2,321   1,823    
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows $ 9,577 ¥ 64,145 $ 23,770 ¥ 159,222 ¥ 170,074 ¥ 119,645