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Moderna Collaboration and License Agreement (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2025

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Estimated Revenue Expected to be Recognized in The Future Related to Performance Obligations

​

​	​	​	​
​		Transaction
​	​	price unsatisfied
Performance obligations:		​
Option rights	​	$	41,250

​

The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied as of December 31, 2024 (in thousands):

​

​	​	​	​
​		Transaction
​	​	price unsatisfied
Performance obligations:		​
Research and development	​	$	35,301
Option rights	​		41,250
Total performance obligations	​	$	76,551

Schedule of Changes in Deferred Revenue

The following table summarizes the changes in deferred revenue (in thousands):

​

​	​	​	​	​	​	​
​		Three Months Ended March 31,
​		2025			2024
Balance at the beginning of the period	​	$	44,979	​	$	46,413
Deferral of revenue	​		—	​		3,173
Recognition of unearned revenue	​		(3,729)	​		(3,397)
Balance at the end of the period	​	$	41,250	​	$	46,189

​

The following table summarizes the changes in deferred revenue (in thousands):

​	​	​	​	​	​	​
​	​	Years Ended December 31,
​		2024			2023
Balance at the beginning of the period	​	$	46,413	​	$	47,459
Deferral of revenue	​		16,198	​		13,873
Recognition of unearned revenue	​		(17,632)	​		(14,919)
Balance at the end of the period	​	$	44,979	​	$	46,413

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- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

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