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Note 10 - Term Loans and Line of Credit Agreements - Summary of Term Loan and Line of Credit Agreements (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Long-term debt, gross | $ 21,116 | $ 23,908
Debt issuance costs |  | (373)
Term Loan Agreement |  | 23,535
Less current portion of long-term debt, gross | 1,153 | 1,636
Less current portion debt issuance costs | (42) | (42)
Current portion of long-term debt | 1,111 | 1,594
Long-term debt, gross, net of current portion | 19,963 | 22,272
Debt issuance costs, net of current portion | (300) | (331)
Long-term debt | 19,663 | 21,941
Term Loan Agreement [Member] |  |
Long-term debt, gross | 21,116 | 21,944
Debt issuance costs | (342) | (373)
Term Loan Agreement | $ 20,774 | 21,571
Paycheck Protection Program CARES Act [Member] |  |
Long-term debt, gross |  | 1,964
Debt issuance costs |  | 0
Term Loan Agreement |  | $ 1,964

X
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