Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details)

v3.5.0.2
Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Changes in Company's standard product warranty reserve [Roll Forward]    
Total product warranty reserve at the beginning of the period $ 436 $ 505
Warranty expense to cost of revenue 34 97
Utilization (31) (54)
Total product warranty reserve at the end of the period $ 439 $ 548