v3.21.2
Restatement - Restatements on the Consolidated Financial Statements as Previously Reported (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Other receivables and prepayments $ 232 $ 5,904    
Total assets 90,130 139,717    
Additional paid-in-capital 135,347 116,943    
Total SGOCO Group, Ltd. shareholders' equity 70,627 119,569    
Total shareholders' equity 70,627 119,765 $ 166,713 $ 83,815
Shares issued for compensation plan 680 600 533  
Restatement        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Other receivables and prepayments   5,904    
Total assets   139,717    
Additional paid-in-capital   116,943    
Total SGOCO Group, Ltd. shareholders' equity   119,569    
Total shareholders' equity   119,765    
Previously Reported [Member]        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Other receivables and prepayments [1]   6,765    
Total assets   140,578    
Additional paid-in-capital   117,804    
Total SGOCO Group, Ltd. shareholders' equity   120,430    
Total shareholders' equity   120,626    
Discontinued Operations [Member]        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Other receivables and prepayments 37      
Additional Paid-in Capital [Member]        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Total shareholders' equity 135,347 116,943 115,187 $ 50,159
Shares issued for compensation plan $ 679 600 526  
Additional Paid-in Capital [Member] | Restatement        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Total shareholders' equity   116,943 115,187  
Shares issued for compensation plan   600 526  
Additional Paid-in Capital [Member] | Previously Reported [Member]        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Total shareholders' equity   $ 117,804 116,648  
Shares issued for compensation plan     $ 1,987  
[1] Other receivables and prepayments of Boca amounting $37 was reclassified to discontinued operations (note 3).