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STOCKHOLDERS' EQUITY (Details - Assumptions) - $ / shares
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Option life 6 years 3 months 5 years 3 months 18 days
Weighted average stock volatility 99.40% 101.90%
Dividend yield 0.00% 0.00%
Weighted average fair value of grants $ 4.69 $ 4.77
Minimum [Member]    
Risk-free interest rate 4.35% 3.00%
Maximum [Member]    
Risk-free interest rate 4.47% 7.00%