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Commitments
6 Months Ended
Jun. 30, 2023
Commitments and Contingencies Disclosure [Abstract]  
Commitments Commitments
License agreements
During the three and six months ended June 30, 2023 and the three months ended June 30, 2022, the Company did not record research and development expense related to non-refundable license payments. During the six months ended June 30, 2022, the Company recorded research and development expense related to non-refundable license payments of $1.5 million.
During the three and six months ended June 30, 2023 and 2022, the Company did not record research and development expense related to development milestones.