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6. Stockholders Equity (Details - Share based compensation) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Total share-based compensation $ 603 $ 578
Cost of revenues [Member]    
Total share-based compensation 58 24
Selling, general and administrative [Member]    
Total share-based compensation 445 459
Research and development [Member]    
Total share-based compensation $ 100 $ 95