Annual report pursuant to Section 13 and 15(d)

Product Warranties (Details)

v3.4.0.3
Product Warranties (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Changes in Company's product warranty reserve    
Total product warranty reserve, beginning of period $ 505 $ 328
Product Warranty Expense 235 446
Utilization (304) (269)
Total product warranty reserve, end of period $ 436 $ 505