XML 36 R24.htm IDEA: XBRL DOCUMENT v3.21.1
Basis of Presentation - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Accounting Policies [Line Items]    
Revenues $ 4,364 $ 4,568
Net income (loss) 29 $ (135)
Revenues    
Accounting Policies [Line Items]    
Revenues 4,364  
Net Income (Loss)    
Accounting Policies [Line Items]    
Net income (loss) 29  
Domestic | Revenues    
Accounting Policies [Line Items]    
Revenues 3,699  
Domestic | Net Income (Loss)    
Accounting Policies [Line Items]    
Net income (loss) 73  
Foreign | Revenues    
Accounting Policies [Line Items]    
Revenues 665  
Foreign | Net Income (Loss)    
Accounting Policies [Line Items]    
Net income (loss) $ (44)