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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