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Note 9 - Intangible Assets, Net - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
2023 $ 584  
2024 584  
2025 584  
2026 584  
2027 584  
thereafter 872  
Finite-Lived Intangible Assets, Net, Ending Balance $ 3,792 $ 3,836