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STOCKHOLDERS' EQUITY (Details - STOCK-BASED COMPENSATION) - USD ($) | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Stock based compensation expense | $ 919,032 | $ 895,494
Cost of Sales [Member] |  |
Stock based compensation expense | 34,966 | 115,021
Research and Development Expense [Member] |  |
Stock based compensation expense | 182,498 | 218,847
Selling, General and Administrative Expenses [Member] |  |
Stock based compensation expense | $ 701,568 | $ 561,626

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