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Stockholders' Equity (Details - ESPP assumptions) - Employee Stock [Member]
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected term (in years) 6 months 6 months
Expected volatility 72.00% 66.00%
Risk-free interest rate 5.39% 4.88%
Dividend yield 0.00% 0.00%