Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Research and development	$ 33,032	$ 26,218	$ 61,606	$ 53,803
In-process research and development	22,500		22,500
General and administrative	12,250	9,752	22,527	19,192
Total operating expenses	67,782	35,970	106,633	72,995
Loss from operations	(67,782)	(35,970)	(106,633)	(72,995)
Other income (expense)
Interest income	5,041	4,251	8,941	8,128
Other expense, net	(460)	(62)	(526)	(113)
Total other income (expense), net	4,581	4,189	8,415	8,015
Net loss	$ (63,201)	$ (31,781)	$ (98,218)	$ (64,980)
Net loss per share, basic	$ (0.29)	$ (0.21)	$ (0.53)	$ (0.43)
Net loss per share, diluted	$ (0.29)	$ (0.21)	$ (0.53)	$ (0.43)
Weighted-average shares of common stock used in computing net loss per share, basic	217,806,567	150,037,029	184,484,154	149,772,093
Weighted-average shares of common stock used in computing net loss per share, diluted	217,806,567	150,037,029	184,484,154	149,772,093
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities, net	$ 14	$ (279)	$ (273)	$ 248
Comprehensive loss	$ (63,187)	$ (32,060)	$ (98,491)	$ (64,732)