INCOME TAXES (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Income Tax Disclosure [Line Items]
Return-to-provision adjustment	$ 3,411	$ (81,738)
Operating loss carryforwards	1,150,000
Interest and penalties	0	0
Unrecognized tax benefits	38,100	28,200
Income tax provision (benefit)	17,482	(73,604)
Federal tax benefit	5,570	(81,278)
Federal [Member]
Income Tax Disclosure [Line Items]
Uncertainty tax position related to research and development costs	5,570
Return-to-provision adjustment		(81,278)
Operating loss carryforwards, not subject to expiration	34,000,000
Operating loss carryforwards	1,150,000	1,270,000
State and Local Jurisdiction [Member] | Wisconsin Department of Revenue [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, subject to expiration	11,231,000
State and Local Jurisdiction [Member] | Other States [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, subject to expiration	15,367,000
Minimum [Member] | State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Income tax provision (benefit)	$ 11,912	$ 7,674