Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenues	$ 0	$ 0
Operating expenses:
Research and development	24,103	11,008
General and administrative	9,970	9,529
Total operating expenses	34,073	20,537
Loss from operations	(34,073)	(20,537)
Other income (expense):
Amortization of financing costs	(28)	(28)
Interest income, net	6,745	1,034
Total other income, net	6,717	1,006
Net loss	(27,356)	(19,531)
Other comprehensive loss, net of tax:
Unrealized gain (loss) on securities	(1,125)	501
Foreign currency translation loss	(85)	(17)
Comprehensive loss	$ (28,566)	$ (19,047)
Basic net loss per common share	$ (0.26)	$ (0.25)
Diluted net loss per common share	$ (0.26)	$ (0.25)
Weighted-average shares used to compute basic net loss per share	103,457,305	78,351,826
Weighted-average shares used to compute diluted net loss per share	103,457,305	78,351,826