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Stockholders Equity (Details - Option assumptions) - Options Held [Member]
shares in Thousands
3 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Options Outstanding, Beginning | shares 1,697
Exercise Price Outstanding, Beginning | $ / shares $ 2.98
Number of Shares Options Granted | shares 100
Exercise Price Granted | $ / shares $ 5.46
Number of Shares Options Expired | shares (10)
Exercise Price Expired | $ / shares $ 1.98
Number of Shares Options Exercised | shares (163)
Exercise Price Exercised | $ / shares $ 2.15
Number of Shares Options Outstanding, Ending | shares 1,624
Exercise Price Outstanding, Ending | $ / shares $ 3.22