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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 31, 2022 | Jan. 31, 2020 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Letter of credit related to lease of real property |  |  | $ 300,000 |  |  |  | $ 300,000 |  |  |
Accumulated deficit |  |  | 157,879,373 |  |  |  | 157,879,373 |  | $ 141,074,640 |
Cash and cash equivalents |  |  | 13,664,101 |  | $ 32,070,612 |  | 13,664,101 | $ 32,070,612 | 34,669,605 | $ 51,674,087
Deferred grant funding |  |  | 13,694,085 |  |  |  | 13,694,085 |  | $ 18,303,567 |
Working capital deficit |  |  | 2,500,000 |  |  |  | 2,500,000 |  |  |
Net loss |  |  | 8,762,232 | $ 8,042,501 | (413,998) | $ 8,398,670 | 16,804,733 | 7,984,672 |  |
Cash flow from operations |  |  |  |  |  |  | $ 22,700,000 |  |  |
Period of insufficient cash and liquidity requirements |  |  |  |  |  |  | 12 months |  |  |
License and collaboration revenue |  |  | $ 0 |  | $ 10,000,000 |  | $ 0 | $ 10,000,000 |  |
Bayer Healthcare License Agreement |  |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Upfront license fee paid |  | $ 1,000,000 |  |  |  |  |  |  |  |
License and collaboration revenue |  | 20,000,000 |  |  |  |  |  |  |  |
Milestone payments, contingent amount |  | $ 310,000,000 |  |  |  |  |  |  |  |
Organon |  |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Upfront license fee paid | $ 10,000,000 |  |  |  |  |  | 10,000,000 |  |  |
Milestone payments, contingent amount |  |  |  |  |  |  | $ 182,500,000 |  |  |

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