Note 7 - Income Taxes - Components of the Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Current - Federal	$ (40)	$ 36
Current - State and local	369	287
Deferred - Federal and state	549	621
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(1,898)	(590)
Income Tax Expense (Benefit), Total	$ (1,020)	$ 354