Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.19.3.a.u2
Revenue Recognition (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]        
Revenue $ 7,159 $ 10,722 $ 23,730 $ 33,865
Product [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 5,842 9,400 19,974 30,230
License and Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 92 408 272 982
Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 1,225 $ 914 $ 3,484 $ 2,653