Annual report pursuant to Section 13 and 15(d)

Product Warranty Liability (Details)

v2.4.0.6
Product Warranty Liability (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Reconciliation of the changes in product warranty liability    
Balance at beginning of period $ 215 $ 202
Expense for product warranties 360 53
Product warranty claims paid (167) (40)
Balance at end of period $ 408 $ 215