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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

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