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, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Revenue from Contract with Customer, Including Assessed Tax	$ 13,147	$ 13,098	$ 37,571	$ 37,678
Deferred Federal Income Tax Expense (Benefit)	81	9	11	26
Deferred State and Local Income Tax Expense (Benefit)	(14)	21	(1)	65
Branded Products [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 0	$ 0	$ 0	$ 0