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Note 6 - Intangible Assets, Net - Estimated Amortization Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
2021 $ 12,049  
2022 11,156  
2023 5,281  
2024 4,470  
2025 4,024  
2026 and thereafter 8,437  
Total $ 45,417 $ 55,603