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Stock-based Compensation (Details - RSU activity) - Restricted Stock Units (RSUs) [Member]
6 Months Ended
Jun. 30, 2022
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
RSU's unvested units, beginning balance | shares 367,101
RSU's beginning balance, price per share | $ / shares $ 3.21
RSU's granted | shares 675,000
RSU's granted, price per share | $ / shares $ 0.86
RSU's vested | shares (155,317)
RSU's vested, price per share | $ / shares $ 3.27
RSU's forfeited | shares (199,810)
RSU's forfeited, price per share | $ / shares $ 1.61
RSU's unvested units, ending balance | shares 686,974
RSU's ending balance, price per share | $ / shares $ 1.36