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 6 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Changes in Company's product warranty reserve        
Total product warranty reserve at the beginning of the period $ 214 $ 236 $ 152 $ 243
Warranty reserve from business acquisitions     54 25
Specific pre-acquisition ANTONE product warranty in excess of acquired limit   303   303
Warranty expense (reversal) 251 5 270 (5)
Utilization (140) (46) (151) (68)
Total product warranty reserve at the end of the period $ 325 $ 498 $ 325 $ 498