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STOCK-BASED COMPENSATION (Details - Stock based compensation) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Stock based compensation expense | $ 450,014 | $ 231,115 | $ 769,790 | $ 721,637
Cost of Sales [Member] |  |  |  |
Stock based compensation expense | 9,556 | 34,712 | 25,410 | 91,542
Research and Development Expense [Member] |  |  |  |
Stock based compensation expense | 41,140 | 70,237 | 122,198 | 164,036
Selling, General and Administrative Expenses [Member] |  |  |  |
Stock based compensation expense | $ 399,318 | $ 126,166 | $ 622,182 | $ 466,059

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