XML 43 R23.htm IDEA: XBRL DOCUMENT

Commitments	12 Months Ended
Commitments	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments	Commitments License agreements During the years ended December 31, 2022, 2021 and 2020, the Company recorded research and development expense related to non-refundable license payments of $1.5 million, $3.1 million, and $0.3 million, respectively. During the years ended December 31, 2022, 2021 and 2020, the Company recorded research and development expense related to development milestones of $0.7 million, $2.1 million and $0.8 million, respectively. The 2022, 2021, and 2020 development milestones were associated with XMT-1660, UpRi, and XMT-1592, respectively. See Note 12, Leases, for the Company’s future obligations related to leases as of December 31, 2022.