CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Revenues	$ 5	$ 5	$ 10	$ 10
Operating expenses:
Research and development	17,236	21,155	33,063	42,642
General and administrative	5,691	5,595	11,684	10,907
Total operating expenses	22,927	26,750	44,747	53,549
Loss from operations	(22,922)	(26,745)	(44,737)	(53,539)
Other income (expense):
Interest expense	(264)	(1)	(265)	(2)
Interest income	1,132	2,182	2,677	4,595
Other income (expense), net	(92)	(76)	(77)	(88)
Total other income (expense), net	776	2,105	2,335	4,505
Net loss before income taxes	(22,146)	(24,640)	(42,402)	(49,034)
Income tax expense (benefit)			(681)
Net loss	(22,146)	(24,640)	(41,721)	(49,034)
Other comprehensive income - unrealized loss on short-term investments	(36)	(31)	(66)	(188)
Comprehensive loss	$ (22,182)	$ (24,671)	$ (41,787)	$ (49,222)
Net loss per share, basic	$ (0.27)	$ (0.35)	$ (0.53)	$ (0.69)
Net loss per share, diluted	$ (0.27)	$ (0.35)	$ (0.53)	$ (0.69)
Weighted-average common shares outstanding, basic	81,477,548	70,924,371	78,529,028	70,863,042
Weighted-average common shares outstanding, diluted	81,477,548	70,924,371	78,529,028	70,863,042