Quarterly report pursuant to Section 13 or 15(d)

Revenue Disaggregation of Revenue (Details)

v3.19.1
Revenue Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers $ 7,098 $ 4,831
North America    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 4,308 2,810
Europe    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 2,241 1,610
Asia    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 549 411
Software licenses and appliances    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 1,005 451
Subscription, maintenance and support    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 5,563 4,038
Professional services and other    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers 530 342
Total service    
Disaggregation of Revenue [Line Items]    
Revenue from contracts with customers $ 6,093 $ 4,380