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Debt - Future Maturities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Remainder of 2020 $ 1,394  
2021 1,395  
Total future maturities of debt 2,789  
Less current maturities (1,859)  
Debt, non-current 930 $ 1,395
Early repayment of senior debt $ 500