Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Debt - Summary of Future Maturities of Loans (Details)

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Note 7 - Debt - Summary of Future Maturities of Loans (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
2019 $ 3,122  
2020 5,938  
2021 22,870  
2022 734  
2023 and thereafter 898  
Long-term Debt, Total 33,562 $ 33,745
Unamortized value of the debt issuance costs, 2019 (20)  
Unamortized value of the debt issuance costs, 2020 (39)  
Unamortized value of the debt issuance costs, 2021 (39)  
Unamortized value of the debt issuance costs, 2022  
Unamortized value of the debt issuance costs, 2023 and thereafter  
Unamortized value of the debt issuance costs, Total (98) (114)
Financing Agreement [Member]    
2019 301  
2020 652  
2021 725  
2022 222  
2023 and thereafter  
Long-term Debt, Total 1,900
Equipment Line [Member]    
2019 128  
2020 512  
2021 512  
2022 512  
2023 and thereafter 898  
Long-term Debt, Total 2,562 2,562
Term Loan A [Member]    
2019 1,792  
2020 3,584  
2021 16,143  
2022  
2023 and thereafter  
Long-term Debt, Total 21,519 23,311
Term Loan C [Member]    
2019 921  
2020 1,229  
2021 5,529  
2022  
2023 and thereafter  
Long-term Debt, Total $ 7,679 $ 7,986