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Note 6 - Intangible Assets, Net - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
2022 (3 months) $ 72  
2023 284  
2024 284  
2025 280  
2026 192  
Thereafter 444  
Total amortizable $ 1,556 $ 1,638