Note 11 - Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
United States	$ 14,004	$ 7,697	$ 3,121
Foreign		(183)	(854)
Income before income taxes	14,004	7,514	2,267	$ 615	$ 6,191
U.S. federal	5,056	2,364	500
State and local	582	237	35
Foreign		(12)	(54)
Total current	5,638	2,589	481
Deferred	(1,117)	(226)	856
Total provision for income taxes	$ 4,522	$ 2,363	$ 1,337	$ 738	$ 2,967