Note 1 - Summary of Accounting Policies (Details) - Changes in Allowances for Uncollectible Accounts (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Changes in Allowances for Uncollectible Accounts [Abstract]
Balance at beginning of year	$ 2,325	$ 1,974	$ 2,166
Acquisitions	93	190
Provision charged to expense	375	268	389
Write-offs, net of recoveries	(511)	(107)	(581)
Balance at end of year	$ 2,282	$ 2,325	$ 1,974