Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details 2)

v3.10.0.1
Revenue Recognition (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Disaggregation of Revenue [Line Items]        
Revenue $ 10,722 $ 13,675 $ 33,865 $ 47,481
Product [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 9,400 11,476 30,230 41,873
License and Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 408 278 982 1,523
Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 914 $ 1,921 $ 2,653 $ 4,085