Quarterly report pursuant to Section 13 or 15(d)

Revenue (Disaggregation of Revenue) (Details)

v3.20.2
Revenue (Disaggregation of Revenue) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers $ 6,630 $ 6,671 $ 22,191 $ 19,134
North America        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 4,238 4,916 15,801 12,416
Europe        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 2,106 1,505 5,596 5,650
Asia        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 286 250 794 1,068
Software licenses and appliances        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 548 1,962 6,149 3,656
Subscription, maintenance and support        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 5,349 4,166 14,182 13,883
Professional services and other        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 733 543 1,860 1,595
Total service        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers $ 6,082 $ 4,709 $ 16,042 $ 15,478