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Note 19 - Financial Instruments - Financial Assets and Liabilities Carried at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Business Combination, Contingent Consideration, Liability, Total $ 24,128  
Interest rate swap liability 2,101  
Fair Value, Inputs, Level 1 [Member]    
Business Combination, Contingent Consideration, Liability, Total  
Interest rate swap liability  
Fair Value, Inputs, Level 2 [Member]    
Business Combination, Contingent Consideration, Liability, Total  
Interest rate swap liability 2,101  
Fair Value, Inputs, Level 3 [Member]    
Business Combination, Contingent Consideration, Liability, Total 24,128 $ 14,423
Interest rate swap liability