Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Research and development	$ 36,877	$ 63,851
General and administrative	6,024	9,974
Total operating expenses	42,901	73,825
Loss from operations	(42,901)	(73,825)
Other income (expense):
Interest expense	(2,689)	(8,130)
Interest income	2,329	3,304
Other income (expense), net	(50)	(59)
Total other expense	(410)	(4,885)
Loss before income tax expense	(43,311)	(78,710)
Provision for income taxes	0	0
Net loss	$ (43,311)	$ (78,710)
Net loss per share, basic and diluted
Basic (in dollars per share)	$ (2.80)	$ (5.77)
Diluted (in dollars per share)	$ (2.80)	$ (5.77)
Shares used in computing net loss per share, basic and diluted
Basic (in shares)	15,468	13,639
Diluted (in shares)	15,468	13,639