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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 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Long-term debt, gross | $ 23,908 |
Debt issuance costs | (373) |
Term Loan Agreement | 23,535 |
Less current portion of long-term debt, gross | 1,636 | $ 1,057
Less current portion debt issuance costs | (42) | (42)
Current portion of long-term debt | 1,594 | 1,015
Long-term debt, gross, net of current portion | 22,272 | 21,943
Debt issuance costs, net of current portion | (331) | (373)
Long-term debt | 21,941 | 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 | 21,944 |
Debt issuance costs | (373) |
Term Loan Agreement | 21,571 |
New Term Loan Agreement [Member] |  |
Long-term debt, gross |  | 23,000
Debt issuance costs |  | (415)
Long-term debt |  | $ 22,585
Paycheck Protection Program CARES Act [Member] |  |
Long-term debt, gross | 1,964 |
Debt issuance costs |  |
Term Loan Agreement | $ 1,964 |

X
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