Annual report pursuant to Section 13 and 15(d)

Product Warranties (Details)

v2.4.0.8
Product Warranties (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Changes in Company's product warranty reserve      
Total product warranty reserve at the beginning of the period $ 152 $ 243 $ 758
Warranty reserves from business acquisitions 149 25  
Specific pre-acquisition ANTONE product warranty in excess of acquired limit    303  
Warranty reserve transferred with sale of CNS      (194)
Product Warranty Expense 183 (45) (89)
Utilization (156) (374) (232)
Total product warranty reserve at the end of the period $ 328 $ 152 $ 243