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Commitments and Contingencies - Collaboration Agreement and Litigation (Details) - USD ($) |  | 9 Months Ended | 12 Months Ended | 21 Months Ended
--- | --- | --- | --- | ---
Jul. 29, 2022 | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2023
Employee Severance | Maximum |  |  |  |
Commitments and Contingencies |  |  |  |
Aggregate amount of severance |  | $ 2,483,700 | $ 2,483,700 |
Collaboration Agreement | The University of Texas M. D. Anderson Cancer Center ("MD Anderson") |  |  |  |
Commitments and Contingencies |  |  |  |
Collaboration agreement term | 5 years |  |  |
Amount the company has committed to pay | $ 10,000,000 |  |  |
Amount the company has committed to pay in year one | 500,000 |  |  |
Subsequent payments made in first anniversary | 2,000,000 |  |  |
Subsequent payments made in second anniversary | 2,500,000 |  |  |
Subsequent payments made in third anniversary | 2,500,000 |  |  |
Subsequent payments made in fourth anniversary | $ 2,500,000 |  |  |
Total expenses incurred under the arrangement |  |  |  | $ 0

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