Revenue (Tables)

9 Months Ended

Sep. 30, 2022

Revenue Recognition [Abstract]

Schedule of Deferred Revenue Activity

The following is a summary of the Company’s deferred revenue activity as of September 30, 2022:

(in thousands)	NIDA Grant		Total
Balance as of December 31, 2021	$	17	$	17
Additions to deferred revenue	—		—
Recognized as revenue	(17)		(17)
Balance as of September 30, 2022	$	—	$	—