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
Jun. 30, 2018
Jun. 30, 2017
Disaggregation of Revenue [Line Items]    
Revenue $ 13,037 $ 16,574
Product [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 11,789 14,784
License and Service [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 416 761
Service [Member]    
Disaggregation of Revenue [Line Items]    
Revenue $ 832 $ 1,029