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Supplemental Financial Information (Details - Severance of Related Charges) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Beginning balance     $ 88  
Charges $ 167 $ 137 709 $ 229
Payments     (507)  
Ending balance $ 290   $ 290