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License Agreements - Additional Information (Details) - USD ($) | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2020 | Jun. 30, 2021 | Dec. 31, 2020 | Jun. 30, 2020
Common stock, shares, issued |  | 3,764,488 | 3,764,488 |
UABRF [Member] | Antidilution Provision [Member] |  |  |  |
Common stock, shares, issued |  | 151,382 |  |
Equity Method Investment, Ownership Percentage |  | 2.50% |  |
Raise of investment |  | $ 20,000,000.0 |  |
Common stock additional shares issued |  | 0 |  | 0
UABRF [Member] | Antidilution Provision [Member] | Series A Preferred Stock [Member] |  |  |  |
Raise of investment | $ 19,800,000 |  |  |
Preferred stock shares issued | $ 35,000,000.0 |  |  |
Emory License Agreement [Member] | UABRF [Member] |  |  |  |
Aggregate pay for development milestones total |  | $ 1,400,000 |  |
License agreement description |  | The term of the Emory License Agreement will continue until 15 years after the first commercial sale of the licensed product, or the expiration of the relevant licensed patents, whichever is later. |  |
Exclusive License Agreement [Member] | UABRF [Member] |  |  |  |
Common stock, shares, issued |  | 91,250 |  |
Royalties on cumulative net sales |  | $ 22,500,000 |  |
Exclusive License Agreement [Member] | UABRF [Member] | Maximum |  |  |  |
Milestone payment |  | $ 1,400,000 |  |

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