Annual report pursuant to Section 13 and 15(d)

Product Warranties (Details)

v3.3.0.814
Product Warranties (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Product Warranties Disclosures [Abstract]      
Product Warranty Accrual, Period Increase (Decrease)     $ (45)
Changes in Company's product warranty reserve      
Total product warranty reserve at the beginning of the period $ 328 $ 152 243
Warranty reserves from business acquisitions   149 25
Specific pre-acquisition ANTONE product warranty in excess of acquired limit     303
Product Warranty Expense 446 183  
Utilization (269) (156) (374)
Total product warranty reserve at the end of the period $ 505 $ 328 $ 152