Commitments and Contingencies - Additional Information (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Commitments and Contingencies | ||||
| Operating Lease, Weighted Average Discount Rate, Percent | 9.90% | 9.90% | ||
| Operating Lease, Cost | $ 50,000 | $ 50,000 | $ 151,000 | $ 151,000 |
| Operating Lease, Payments | $ 77,000 | $ 75,000 | 231,000 | 224,000 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 0 | $ 538,000 | ||
| Operating Lease Expiration Year | 2022 | |||
| X | ||||||||||
- Definition Maturity of Operating Lease year No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- 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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