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INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
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INCOME TAXES [Abstract] |  |  |
Deferred compensation | $ 541,577 | $ 523,785 |
Stock-based compensation | 34,315 | 76,532 |
Accrued expenses and reserves | 498,423 | 501,736 |
Deferred revenue | 123,766 | 102,519 |
Federal and state net operating loss carryforwards | 8,697,265 | 8,508,548 |
IRC Section 174 research and development costs | 127,053 | 116,204 |
Credit carryforwards | 173,529 | 184,406 |
Equipment and leasehold improvements | 184,868 | 159,648 |
Operating lease liability | 618,268 | 696,026 |
Valuation allowance | (10,384,574) | (10,176,697) | $ (9,906,018)
Total deferred income tax assets | 614,490 | 692,707 |
Operating right-of-use asset | (612,516) | (692,028) |
Other | (1,974) | (679) |
Total deferred income tax liabilities | (614,490) | (692,707) |
Net deferred income tax assets |  |  |

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