Note 11 - Income Taxes - Reconciliation of Expected Tax Expense (Benefit) to Actual Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Expected tax expense	$ 1,365	$ 523	$ (6,928)
State taxes, net of federal effect		9	(740)
Foreign taxes, net of federal credits	(1,010)	(210)	278
Change in valuation allowance	2,074	(107)	196
Tax reserve adjustments	(38)	272	250
Return to provision and other adjustments	(72)	(17)	(167)
Losses not benefited		123	885
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	6,324	315
Canada Real Estate Gain Deduction		(337)
Other permanent items	(145)	(24)	(19)
Actual tax expense (benefit)	$ 8,498	$ 547	$ (6,245)