Note 11 - Income Taxes (Details) - Reconciliation of Income Tax Rate	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Reconciliation to federal statutory rate:
Federal statutory tax rate	34.00%	34.00%	34.00%
State and local taxes, net of federal benefit	2.40%	6.90%	17.00%
Impact of foreign operations	0.70%	1.20%	(7.10%)
Federal and state tax credits	(3.70%)	(6.30%)	(34.10%)
Goodwill		0.10%	133.60%
Valuation allowance	(3.80%)	30.80%	145.60%
Domestic production activities deduction	(4.00%)	(2.80%)	(22.20%)
Uncertain tax position activity	(1.30%)	(11.30%)	(101.60%)
Contingent liability			(49.60%)
Other	2.10%	6.40%	4.50%
Sale of subsidiary	5.00%
Effective tax rate	31.40%	59.00%	120.10%