XML 97 R81.htm IDEA: XBRL DOCUMENT v3.20.2
Intangible asset (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cost    
Begining Balance ¥ 0  
Additions 9  
Ending Balance 9 ¥ 0
Accumulated amortization    
Begining Balance 0  
Amortization 2  
Ending Balance 2  
Intangible asset, net ¥ 7 ¥ 9