Significant Agreements (Tables)

3 Months Ended

Mar. 31, 2022

Significant Agreements [Abstract]

Summary of Amounts of Success Payments MSKCC

The following table summarizes the amounts of the MSKCC success payments:

Multiple of Initial Share Price giving rise to a success payment	5x		10x		15x
MSKCC success payments (in millions)	$	10.0	$	10.0	$	15.0