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Note 3 - Supplemental Balance Sheet Information (in Thousands) - Annual Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
2023 $ 351  
2024 290  
2025 204  
2026 204  
2027 108  
Thereafter 883  
Total $ 2,040 $ 2,295