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Commitments and Contingencies - Additional Information (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2020 USD ($)
Recorded Unconditional Purchase Obligation [Line Items] |  |
Rent expense | $ 48,000 | $ 177,000
Pre-clinical Research Study Obligations [Member] |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Contractual obligation | $ 0 | $ 0
San Antonio, Texas [Member] | Office Laboratory and Storage Space [Member] |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Operating leases expiry year |  | 2028

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- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41499-112717 + Details
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- Details
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