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Note 6 - Goodwill and Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
2022 $ 152  
2023 136  
2024 136  
2025 136  
2026 127  
Thereafter 212  
Total $ 899 $ 1,083