Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details)

v2.4.0.8
Product Warranties (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Changes in Company's product warranty reserve        
Total product warranty reserve at the beginning of the period $ 325 $ 498 $ 152 $ 243
Warranty reserve from business acquisitions     54 25
Specific pre-acquisition ANTONE product warranty in excess of acquired limit        303
Warranty expense (reversal) 73 (11) 343 (16)
Utilization (41) (231) (192) (299)
Total product warranty reserve at the end of the period $ 357 $ 256 $ 357 $ 256