Schedule II - Valuation and Qualifying Accounts (Detail) (Allowance for Doubtful Accounts, USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 327,000	$ 330,000	$ 351,000
Charged to Costs and Expenses	26,000	31,000	35,000
Other	0	0	0
Deductions/Write-Offs	(125,000)	(34,000)	(56,000)
Balance at End of Year	$ 228,000	$ 327,000	$ 330,000