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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
Mar. 31, 2022
Dec. 31, 2021
Long-term debt, gross $ 20,546  
Less current portion of long-term debt, gross 1,182 $ 1,168
Less current portion debt issuance costs (42) (42)
Current portion of long-term debt 1,140 1,126
Long-term debt, gross, net of current portion 19,364 19,665
Debt issuance costs, net of current portion (278) (289)
Long-term debt 19,086 19,376
Term Loan Agreement [Member]    
Long-term debt, gross 20,546 20,833
Debt issuance costs (320) (331)
Term Loan Agreement $ 20,226 $ 20,502