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Supplemental Financial Information (Details - Net Loss per Share) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Numerator:    
Net loss $ (4,044) $ (10,738)
Denominator:    
Weighted-average shares outstanding - basic and diluted 28,708 25,281
Net loss per share - basic and diluted $ (0.14) $ (0.42)