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Note 4 - Goodwill and Intangible Assets - Future Amortization Expense of Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
2020 (remainder of year) $ 1,676  
2021 5,703  
2022 5,672  
2023 5,569  
2024 5,267  
Thereafter 10,184  
Total $ 34,071 $ 37,270