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Stockholders' Equity (Details - Schedule of Option Activity) - Options Held [Member]
shares in Thousands
9 Months Ended
Mar. 31, 2024
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Beginning Balance | shares 1,325
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance | $ / shares $ 3.65
Number of shares options expired | shares (550)
Weighted average exercise price expired | $ / shares $ 3.84
Number of shares options exercised | shares (152)
Weighted average exercise price exercised | $ / shares $ 1.76
Number of shares options outstanding at ending | shares 623
Weighted average exercise price outstanding at ending | $ / shares $ 3.95