Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.20.2
Revenue Recognition (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Disaggregation of Revenue [Line Items]    
Revenue $ 7,350 $ 9,002
Product [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 6,198 7,815
License and Service [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 17 19
Service [Member]    
Disaggregation of Revenue [Line Items]    
Revenue $ 1,135 $ 1,168