Research and Collaboration Arrangements (Tables)

12 Months Ended

Dec. 31, 2022

Research And Collaboration Arrangements [Abstract]

Summary of Collaboration and License Revenue

Collaboration and license revenue for each period was as follows (in thousands):

	Year Ended December 31,
	2022		2021
uniQure	$	3,094	$	736
Roche		—		17,181
CFF		35		121
	$	3,129	$	18,038

Summary of Deferred Revenue

Deferred revenue for each period was as follows (in thousands):

	Deferred Revenue as of December 31,
	2022		2021
uniQure	$	566	$	3,661
CFF		1,394		1,429
	$	1,960	$	5,090

The total amount of revenue in the year ended December 31, 2022, which was included in deferred revenue at January 1, 2022, was $3.1 million. The total amount of revenue in the year ended December 31, 2021, which was included in deferred revenue at January 1, 2021, was $15.1 million.