Commitments and Contingencies - Information related to Right-of-use Assets and Liabilities (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Commitments And Contingencies Disclosure [Abstract] | ||
| Cash paid for operating lease liabilities | $ 489 | $ 797 |
| Right-of-use assets obtained in exchange for new operating lease obligations | $ 1,976 | $ 803 |
| Weighted-average remaining lease term | 4 years 9 months 18 days | 7 months 6 days |
| Weighted-average discount rate | 12.30% | 12.80% |
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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