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Distribution of Stock-Based Compensation Plan Expense (Tables)
6 Months Ended
Sep. 30, 2017
Distribution Of Stock-based Compensation Plan Expense Tables  
Schedule Of Stock-Based Compensation Expense By Statement Of Operations Line Item

The following table summarizes information pertaining to the stock-based compensation expense from stock options and stock awards (in thousands, except grant-date fair value and recognition period):

      Three Months Ended     Six Months Ended
      September 30,     September 30,
      2017     2016     2017     2016
Cost of service revenue   $ 473    $ 440    $ 864    $ 800 
Cost of product revenue                
Research and development     1,314      863      2,651      1,750 
Sales and marketing     2,568      1,751      5,215      3,666 
General and administrative     2,302      1,454      4,278      3,343 
     Total   $ 6,657    $ 4,508    $ 13,008    $ 9,559