Note 10 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Percent	53.40%	26.90%	40.00%	27.80%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Discrete Tax Items	$ 4,500	$ 0	$ 4,500	$ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Revaluation of Contingent Consideration			$ 4,600