Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Tax Disclosure [Abstract]
Deferred income tax valuation allowance	$ 2,151	$ 2,045
Net deferred tax assets	8,121	11,065
Net operating loss carryforward expiration year	2023
Unrecognized tax benefits	$ 229	$ 19	$ 37	$ 71