Balance Sheet Detail - Schedule of Changes in Warranty Liability (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of period	$ 897	$ 1,070
Warranty expense	748	531
Warranty claims	(791)	(704)
Balance at end of period	$ 854	$ 897