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Supplemental Financial Information (Details - Severance of Related Charges) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Beginning balance     $ 88  
Charges $ 51 $ 120 760 $ 349
Payments     (843)  
Ending balance $ 5   $ 5