Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details)

v3.3.0.814
Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Changes in Company's standard product warranty reserve [Roll Forward]        
Total product warranty reserve at the beginning of the period $ 548 $ 424 $ 505 $ 328
Warranty expense to cost of revenue 56 288 153 410
Utilization (84) (46) (138) (72)
Total product warranty reserve at the end of the period $ 520 $ 666 $ 520 $ 666