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Supplemental Financial Information (Details - Severance of Related Charges) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Severance payable, beginning balance $ 88  
Charges 795 $ 506
Payments (849)  
Severance payable, ending balance $ 34 $ 88