Quarterly report pursuant to Section 13 or 15(d)

Revenue Disaggregation of Revenue (Details)

v3.19.2
Revenue Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers $ 5,365 $ 7,626 $ 12,463 $ 12,457
North America        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 3,192 5,017 7,500 7,827
Europe        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 1,904 1,465 4,145 3,075
Asia        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 269 1,144 818 1,555
Software licenses and appliances        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 689 2,867 1,694 3,318
Subscription, maintenance and support        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 4,154 4,122 9,717 8,160
Professional services and other        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers 522 637 1,052 979
Total service        
Disaggregation of Revenue [Line Items]        
Revenue from contracts with customers $ 4,676 $ 4,759 $ 10,769 $ 9,139