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7. Stockholders Equity (Details - ESPP Assumptions) - ESPP [Member]
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Expected term (in years) 6 months 6 months
Expected volatility 61.00% 79.00%
Risk-free interest rate 1.00% 2.45%
Dividend yield 0.00% 0.00%