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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, 2023 | Dec. 31, 2022
--- | --- | ---
Long-term debt, gross | $ 33,457 |
Less current portion of long-term debt, gross | 598 | $ 563
Less current portion debt issuance costs | (60) | (60)
Current portion of long-term debt | 538 | 503
Long-term debt, gross, net of current portion | 29,659 | 30,257
Debt issuance costs, net of current portion | (439) | (499)
Long-term debt | 29,220 | 29,758
Term Loan Agreement [Member] |  |
Long-term debt, gross | 30,257 | 30,820
Debt issuance costs | (499) | (559)
Term Loan Agreement | $ 29,758 | $ 30,261

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References No definition available. + Details
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