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Note 11 - Long-term Debt - Breakdown of Borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Long-term debt, gross $ 49,450  
Less unamortized deferred financing costs (1,120) $ (1,393)
Total debt 48,330 48,007
Current portion of long-term debt (3,515) (2,000)
Current unamortized deferred financing costs 280 279
Long-term debt 45,095 46,286
Term Loan [Member]    
Long-term debt, gross 38,000 40,000
Line of Credit [Member]    
Long-term debt, gross $ 11,450 $ 9,400