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Note 9 - Debt and Credit Agreements - Outstanding Debt Balances (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Long-term Debt, Total | $ 10,787 | $ 342
Less: Current portion | (1,406) | (12,917)
Long-term debt, net of current maturities | 9,381 | 505
Line of Credit [Member] |  |
Long-term Debt, Total | 1,245 | 11,517
Paycheck Protection Program CARES Act [Member] |  |
Long-term Debt, Total | 9,151 |
Notes Payable, Other Payables [Member] |  |
Long-term Debt, Total | 163 | 1,563
Less: Current portion | $ (161) | $ (1,400)

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