Leases - Information related to Right-of-use Assets and Liabilities (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
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| Leases [Abstract] | ||||
| Cash paid for operating lease liabilities | $ 62 | $ 87 | $ 185 | $ 417 |
| Right-of-use assets obtained in exchange for new operating lease obligations | $ 0 | $ 1,440 | $ 48 | $ 2,037 |
| Weighted-average remaining lease term | 3 years 9 months 18 days | 4 years 10 months 24 days | 3 years 9 months 18 days | 5 years 2 months 12 days |
| Weighted-average discount rate | 12.30% | 12.30% | 12.30% | 12.30% |
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- Definition Operating Lease, Weighted Average Remaining Lease Terms. No definition available.
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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 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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