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Operating Leases - Net Present Value of Operating Lease Liability (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Operating Leases    
2020 $ 774  
2021 1,244  
2022 1,192  
2023 1,039  
2024 1,055  
2025 and thereafter 4,603  
Total lease payments 9,907  
Less: Interest (2,874)  
Net present value of lease liabilities 7,033  
Current portion 834 $ 1,107
Long- term portion 6,199 $ 6,731
Total $ 7,033