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Note 7 - Intangible Assets, Net - Net Estimated Aggregate Amortization Expense On Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
December 31, 2022 $ 4,033  
December 31, 2023 387  
December 31, 2024 387  
December 31, 2025 281  
December 31, 2026 0  
Thereafter 0  
Total estimated aggregate amortization expense $ 5,088 $ 7,531