Note 15 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Provision for income taxes at the anticipated annual tax rate	33.70%	32.00%
Uncertain tax positions	(0.20%)	(1.30%)
Difference between deferred and current tax rate related to the impairment of goodwill	4.80%
Deferred tax asset adjustment		(6.70%)
Other	(0.30%)	(0.80%)
Effective tax rate	38.00%	23.20%