Note 16 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Provision for income taxes at the anticipated annual tax rate	(2.60%)	23.00%	18.10%	23.00%
Uncertain tax positions	(5.50%)	0.80%	(0.70%)	0.80%
Difference between deferred and current tax rate related to the impairment of goodwill		0.60%		0.70%
Shared-based compensation	0.30%		3.50%	(0.50%)
Other			0.80%
Effective tax rate	(7.80%)	24.40%	21.70%	24.00%