v3.21.2
Document and Entity Information - shares
 12 Months Ended
Dec. 31, 2020
Jun. 30, 2021
Document and Entity Information    
Document Type 20-F  
Document Registration Statement false  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false  
Amendment Flag false  
Document Period End Date Dec. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus FY  
Entity Registrant Name SGOCO Group, Ltd.  
Entity Central Index Key 0001412095  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Trading Symbol SGOC  
Title of 12(b) Security Ordinary shares, par value $0.004 per share  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   101,597,998
Entity Shell Company false  
Entity Emerging Growth Company false