Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Line Items]
Uncertainty tax position related to research and development costs	$ 25,000
Operating loss carryforwards	31,800,000
Interest and penalties	0	$ 0
Unrecognized tax benefits	0	0
Income Tax Expense (Benefit)	317,377	7,517
Wisconsin Department of Revenue [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards	4,565,000
Federal [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, not subject to expiration	31,793,000
Operating loss carryforwards	7,006,000
Income Tax Expense (Benefit)	230,139	0
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Income Tax Expense (Benefit)	87,238	$ 7,517
State and Local Jurisdiction [Member] | Wisconsin Department of Revenue [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, subject to expiration	10,944,000
State and Local Jurisdiction [Member] | Other States [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, subject to expiration	$ 15,090,000