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Product warranty	3 Months Ended
Sep. 30, 2011
Product warranty	3. Product warranty In the ordinary course of business, the Company warrants its products against defects in design, materials and workmanship over various time periods. The warranty accrual as of September 30, 2011 and June 30, 2011 is immaterial to the financial position of the Company and the change in the accrual for both the current-year quarter and prior-year quarter was immaterial to the Company’s results of operations and cash flows.

Product warranty

3 Months Ended

Sep. 30, 2011

3. Product warranty

In the ordinary course of business, the Company warrants its products against defects in design, materials and workmanship over various time periods. The warranty accrual as of September 30, 2011 and June 30, 2011 is immaterial to the financial position of the Company and the change in the accrual for both the current-year quarter and prior-year quarter was immaterial to the Company’s results of operations and cash flows.