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Note 9 - Term Loans and Line of Credit Agreements - Summary of Term Loan and Line of Credit Agreements (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Long-term debt, gross | $ 24,978 |
Debt issuance costs | (384) |
Term Loan Agreement | 24,594 |
Less current portion of long-term debt, gross | 2,664 | $ 1,057
Less current portion debt issuance costs | (42) | (42)
Current portion of long-term debt | 2,622 | 1,015
Long-term debt, gross, net of current portion | 22,314 | 21,943
Debt issuance costs, net of current portion | (342) | (373)
Long-term debt | 21,972 | 21,570
Less current portion of long-term debt |  | 1,015
Long-term debt, net of current portion |  | 21,570
Term Loan Agreement [Member] |  |
Long-term debt, gross | 22,213 | 23,000
Debt issuance costs | (384) | (415)
Term Loan Agreement | 21,829 |
Long-term debt |  | $ 22,585
Paycheck Protection Program CARES Act [Member] |  |
Long-term debt, gross | 2,765 |
Debt issuance costs |  |
Term Loan Agreement | $ 2,765 |

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