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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
Jun. 30, 2020
Dec. 31, 2019
Long-term debt, gross $ 25,243  
Debt issuance costs (394)  
Term Loan Agreement 24,849  
Less current portion of long-term debt, gross 2,188 $ 1,057
Less current portion debt issuance costs (42) (42)
Current portion of long-term debt 2,146 1,015
Long-term debt, gross, net of current portion 23,055 21,943
Debt issuance costs, net of current portion (352) (373)
Long-term debt 22,703 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 22,478 23,000
Debt issuance costs (394) (415)
Term Loan Agreement 22,084  
Long-term debt   $ 22,585
Paycheck Protection Program CARES Act [Member]    
Long-term debt, gross 2,765  
Debt issuance costs  
Term Loan Agreement $ 2,765