Note 14 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Income Tax Expense (Benefit)	$ 428,989	$ 1,212,400
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Gain (Loss) Related to Litigation Settlement	$ (0)	$ (2,500,000)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	300,000	300,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 75,584	$ 62,297
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2019