Note 1 - Nature of Operations, Principles of Consolidation and Basis of Presentation of Interim Financial Statements (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 13,098	$ 15,634	$ 37,678	$ 42,979
Deferred Federal Income Tax Expense (Benefit)	9	(106)	26	377
Deferred State and Local Income Tax Expense (Benefit)	21	57	65	223
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount				622
Branded Products [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 0	$ 0	$ 0	$ 0