v3.22.2.2
SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details)
¥ in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Revenues $ 16,412 ¥ 109,928 ¥ 172,251 $ 30,463 ¥ 204,043 ¥ 301,856    
Accounts receivable, net 2,529     2,529     ¥ 16,939 ¥ 25,602
Deferred revenue $ 5,787     $ 5,787     38,757 95,036
K-12 Schools                
Revenues   53,909 104,748   99,950 175,650    
Deferred revenue             22,147 69,634
CP&CE Programs                
Revenues   ¥ 56,019 ¥ 67,503   ¥ 104,093 ¥ 126,206    
Deferred revenue             ¥ 16,610 ¥ 25,402