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Note 10 - Goodwill, In-process Research and Development and Intellectual Property - Amortization Expense of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Total $ 22,267 $ 28,596
Intellectual Property [Member]    
2021 11,634  
2022 8,833  
2023 430  
2024 430  
2025 430  
Thereafter 510  
Total $ 22,267 $ 28,596