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6. Stockholders Equity (Details - Share based compensation) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Total share-based compensation $ 1,043 $ 1,132 $ 2,536 $ 2,649
Cost of revenues [Member]        
Total share-based compensation 70 70 212 142
Selling, general and administrative [Member]        
Total share-based compensation 803 939 1,919 2,176
Research and development [Member]        
Total share-based compensation $ 170 $ 123 $ 405 $ 331