Composition of Total Rental Expense for All Operating Leases Except Those With Terms of One Month or Less That Were Not Renewed (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Operating Leased Assets [Line Items]
Rent Expense:	$ 1,666,000	$ 1,657,000	$ 2,331,000
Less: Sublease rentals	(299,000)	(299,000)	(299,000)
Operating Leases, Rent Expense, Net, Total	$ 1,367,000	$ 1,358,000	$ 2,032,000