v3.25.2
Segment Information - Schedule of Segment Reporting Provided to the CODM (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Revenue:        
Total revenue $ 15,717 $ 500 $ 23,690 $ 500
Operating expenses:        
Total segment operating expenses 63,331 15,840 108,481 29,032
Loss from operations (47,614) (15,340) (84,791) (28,532)
Other income, net 2,731 2,824 5,968 5,724
Net loss (44,883) (12,516) (78,823) (22,808)
Cost of Goods Sold [Member]        
Operating expenses:        
Total segment operating expenses 4,984 0 6,078 0
Clinical [Member]        
Operating expenses:        
Total segment operating expenses 1,250 1,226 2,454 4,042
Development [Member]        
Operating expenses:        
Total segment operating expenses 2,151 2,591 3,252 4,099
Medical affairs [Member]        
Operating expenses:        
Total segment operating expenses 1,073 421 2,018 754
Sales and marketing [Member]        
Operating expenses:        
Total segment operating expenses 40,925 2,694 67,682 4,145
General and administrative [Member]        
Operating expenses:        
Total segment operating expenses 7,118 5,505 15,837 9,195
Stock-based compensation [Member]        
Operating expenses:        
Total segment operating expenses 5,371 3,365 10,669 6,680
Other [Member]        
Operating expenses:        
Total segment operating expenses 459 38 491 117
Product revenue, net [Member]        
Revenue:        
Total revenue 12,800 0 20,563 0
Revenue under collaboration agreements [Member]        
Revenue:        
Total revenue 2,594 500 2,804 500
Revenue under supply agreements [Member]        
Revenue:        
Total revenue $ 323 $ 0 $ 323 $ 0