Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.20.2
Revenue Recognition (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue $ 8,320 $ 7,569 $ 15,670 $ 16,571
Product [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 6,961 6,317 13,159 14,132
License and Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 147 161 164 180
Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 1,212 $ 1,091 $ 2,347 $ 2,259