CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Product revenue, net	$ 380,786	$ 22,230
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	us-gaap:ProductMember	us-gaap:ProductMember
Grant revenue			$ 285
Total revenues	$ 380,786	$ 22,230	285
Operating expenses:
Cost of sales	25,441	2,993
Research and development	128,187	93,450	44,040
Selling, general and administrative	188,356	127,128	38,933
Total operating expenses	341,984	223,571	82,973
Income (loss) from operations	38,802	(201,341)	(82,688)
Other income (expense), net:
Interest income	16,155	4,291	36
Change in fair value of convertible notes			(5,228)
Other expense, net	(660)	(551)	(51)
Total other income (expense), net	15,495	3,740	(5,243)
Income (loss) before income taxes	54,297	(197,601)	(87,931)
Provision for income taxes	5,026	774
Net income (loss)	$ 49,271	$ (198,375)	$ (87,931)
Net income (loss) per share-basic	$ 0.73	$ (3.39)	$ (13.35)
Net income (loss) per share-diluted	$ 0.7	$ (3.39)	$ (13.35)
Weighted-average shares used in computing net income (loss) per share-basic	67,234,465	58,495,587	6,586,349
Weighted-average shares used in computing net income (loss) per share-diluted	69,991,340	58,495,587	6,586,349