Note 1 - Summary of Significant Accounting Policies (Details) - Net Accounts Receivable - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Net Accounts Receivable [Abstract]
Accounts receivable	$ 43,978	$ 43,047
Less: Allowance for doubtful accounts	(317)	(294)
Accounts receivable, net	$ 43,661	$ 42,753