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Supplemental Financial Information (Details - Amortization expense) - USD ($)
$ in Thousands
Jun. 30, 2022
Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
2023 $ 5,400  
2024 4,952  
2025 3,358  
2026 849  
Total amortization expense $ 14,559 $ 9,355