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Note 9 - Debt - Future Payments for Notes Payable - Other (Details) - Notes Payable, Other Payables [Member] - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
2020 (remaining) $ 353  
2021 89  
2022 65  
2023 65  
2024 and thereafter 35  
Long-term Debt, Total $ 607 $ 749