Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues	$ 131,161	$ 0	$ 0
Operating expenses:
Cost of product revenue	5,279	0	0
Research And Development Expense	227,702	130,521	85,618
Selling, general and administrative	115,450	75,543	61,291
Total cost and operating expenses	348,431	206,064	146,909
Loss from operations	(217,270)	(206,064)	(146,909)
Gain from sale of priority review voucher	108,000	0	0
Investment Income, Net	19,701	17,187	4,746
Other income (expense), net	1,217	(40)	(18)
Total non-operating income, net	128,918	17,147	4,728
Loss before income taxes	(88,352)	(188,917)	(142,181)
Income tax expense	(7,144)	0	0
Net loss	$ (95,496)	$ (188,917)	$ (142,181)
Net loss per share, basic	$ (1.02)	$ (2.37)	$ (2.17)
Net loss per share, diluted	$ (1.02)	$ (2.37)	$ (2.17)
Weighted-average number of common shares used in computing net loss per share, basic	93,234,195	79,773,004	65,466,773
Weighted-average number of common shares used in computing net loss per share, diluted	93,234,195	79,773,004	65,466,773
Product revenue, net [Member]
Revenues	$ 57,217	$ 0	$ 0
License revenue [Member]
Revenues	$ 73,944	$ 0	$ 0