XML 34 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information - shares
 12 Months Ended
Dec. 31, 2020
Apr. 30, 2021
Document Information [Line Items]    
Document Type 20-F  
Document Period End Date Dec. 31, 2020  
Entity Registrant Name TuanChe Ltd  
Entity Well-known Seasoned Issuer No  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Voluntary Filers No  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Entity Central Index Key 0001743340  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus FY  
Entity Interactive Data Current Yes  
Amendment Flag false  
Trading Symbol tc  
Title of 12(b) Security Class A ordinary shares, par value US$0.0001 per share  
Security Exchange Name NASDAQ  
ICFR Auditor Attestation Flag false  
Class A ordinary shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   266,571,715
Class B ordinary shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   55,260,580