XML 36 R11.htm IDEA: XBRL DOCUMENT v2.4.0.8
Warranty Reserves
6 Months Ended
Oct. 31, 2014
Warranty Reserves [Abstract]  
Warranty Reserves
Warranty Reserves

Estimated warranty costs are accrued as revenues are recognized. Included in the warranty cost accruals are costs for basic warranties on products sold. A summary of product warranty reserve activity for the six months ended October 31, 2014 is as follows:

(Amounts in thousands)
    
Balance at May 1, 2014
 
$
188
 
Additional reserves
   
32
 
Warranty reserve expense adjustments
   
(95
)
Charges incurred
   
(28
)
Balance at October 31, 2014
 
$
97