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Commitments and Contingencies (Tables)

12 Months Ended

Jul. 31, 2012

The following table summarizes the activity related to the product warranty liability (in thousands):


	Year Ended July 31,
	2012			2011
Beginning Balance	$	1,140		$	1,720
Accruals for warranties during the period		238			203
Settlements		(306	)		(451	)
Adjustments		—			(332	)

Ending Balance	$	1,072		$	1,140