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Note 7 - Debt and Credit Agreements - Outstanding Debt Balances (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Less: Current portion $ (15,629) $ (6,650)
Long-term debt, net of current maturities 8,489 177
Line of Credit [Member]    
Long-term Debt, Total 14,406 6,350
Long-term debt 14,406 6,350
Current Portion of Term Loan [Member]    
Long-term Debt, Total 1,083 0
Long-term debt 1,083 0
Notes Payable, Other Payables [Member]    
Long-term Debt, Total 2,198 274
Long-term debt 2,198 274
Less: Current portion (26) (186)
Long-Term Debt [Member]    
Long-term Debt, Total 6,431 203
Long-term debt $ 6,431 $ 203