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Leases - Schedule of Future Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Operating Leases |  |
July 2020 to June 2021 | $ 621 |
July 2021 to June 2022 | 644 |
July 2022 to June 2023 | 16 |
July 2023 to June 2024 | 9 |
Total future undiscounted lease payments | 1,290 |
Less imputed interest | (90) |
Total lease obligations | 1,200 | $ 1,480
Restructured Leases |  |
July 2020 to June 2021 | 342 |
July 2021 to June 2022 | 0 |
July 2022 to June 2023 | 0 |
July 2023 to June 2024 | 0 |
Total future undiscounted lease payments | 342 |
Less imputed interest | (11) |
Total lease obligations | 331 | 488
Restructured Leases Sublease Payments |  |
July 2020 to June 2021 | (273) |
July 2022 to June 2023 | 0 |
July 2023 to June 2024 | 0 |
July 2023 to June 2024 | 0 |
Total future undiscounted lease payments | (273) |
Less imputed interest | 9 |
Total lease obligations | (264) |
Finance Lease |  |
July 2020 to June 2021 | 3 |
July 2021 to June 2022 | 2 |
July 2022 to June 2023 | 0 |
July 2023 to June 2024 | 0 |
Total future undiscounted lease payments | 5 |
Less imputed interest | 0 |
Total lease obligations | $ 5 | $ 6

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