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OTHER FINANCIAL STATEMENT DATA - Schedule of Intangible Asset Amortization Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 30, 2020
Future estimated amortization expense related to amortizable intangible assets    
2022 $ 398  
2023 386  
2024 323  
2025 327  
2026 312  
Thereafter 2,015  
Total $ 3,761 $ 4,579