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Leases - Summary of Maturity of Operating Lease Liability (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Remainder of 2020 $ 799  
2021 1,091  
2022 1,124  
2023 379  
Total maturities 3,393  
Less: Amount representing interest (282)  
Present value of operating lease liability 3,111  
Less: Current portion of operating lease liability (919) $ (899)
Total operating lease liability, net of current portion $ 2,192 $ 2,427