v3.22.2.2
Business combination (Tables)
 6 Months Ended
Jun. 30, 2022
Business Combinations [Abstract]  
Schedule of business combinations
 
     RMB      US$  
Purchase consideration
      34,473        5,147  
    
 
 
     
 
 
  
Fair value of redeemable noncontrolling interests
      31,397        4,687  
Less:
                  
Cash and cash equivalents
      17,744        2,649  
Customer relationships
      13,800        2,060  
Brand
      10,300        1,538  
Other current and noncurrent assets
      1,025        154  
Deferred revenue
      (6,529 )       (975 ) 
Deferred tax liabilities
      (5,330 )       (796 ) 
Other current liabilities
      (2,925 )       (437 ) 
    
 
 
     
 
 
  
Goodwill
      37,785        5,641