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Note 8 - Long-term Debt - Breakdown of Borrowings (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Long-term debt, gross $ 36,100  
Less: unamortized deferred financing costs (490) $ (560)
Total debt 35,610 36,563
Less: current portion of long-term debt (4,000) (6,139)
Current unamortized deferred financing costs 280 280
Long-term debt 31,890 30,704
Term Loan [Member]    
Long-term debt, gross 27,700 30,723
Line of Credit [Member]    
Long-term debt, gross $ 8,400 $ 6,400