Warranty Reserves

3 Months Ended

Jul. 31, 2013

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 three months ended July 31, 2013 is as follows:

(Amounts in thousands)
Balance at May 1, 2013	$	139
Additional reserves		180
Warranty reserve expense adjustments		(9	)
Charges incurred		(54	)
Balance at July 31, 2013	$	256