Note 13 - Income Taxes - Summary of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Federal	$ 10,398	$ 9,801	$ 8,652
State	2,032	1,240	1,067
	12,430	11,041	9,719
Federal	(3,905)	(5,064)	(3,678)
State	(924)	(557)	(281)
	(4,829)	(5,621)	(3,959)
Total income tax provision	$ 7,601	$ 5,420	$ 5,760