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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