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Leases - Maturities of Operating Lease Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases    
2020 (Remainder) $ 362  
2021 689  
2022 634  
2023 610  
2024 306  
Thereafter 69  
Total lease payments 2,670  
Less: Imputed interest (307)  
Operating Lease, Liability, Total $ 2,363 $ 2,598