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Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Future minimum lease payments |  |
2020 | $ 129 |
2021 | 555 |
2022 | 571 |
2023 | 562 |
2024 | 274 |
Thereafter | 1,252 |
Total minimum lease payments | 3,343 |
Less: Interest | (507) |
Present value of lease obligations | $ 2,836 |
Operating Lease, Liability, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiablitiesCurrent |
Less: Current portion, included in accrued liabilities | $ (421) | $ (319)
Long-term portion of lease obligations | $ 2,415 | $ 2,695

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