v3.26.1
Segment Information - Schedule of Segment Reporting Provided to the CODM (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenue:    
Total revenue $ 22,681 $ 7,973
Other segment (income) expense:    
Interest income (1,968) (3,237)
Interest expense 2,441 0
Net loss (60,618) (33,940)
Cost of Goods Sold [Member]    
Less segment operating expenses:    
Total segment operating expenses 6,286 1,094
Clinical [Member]    
Less segment operating expenses:    
Total segment operating expenses 1,783 1,204
Development [Member]    
Less segment operating expenses:    
Total segment operating expenses 1,726 1,101
Medical affairs [Member]    
Less segment operating expenses:    
Total segment operating expenses 1,214 945
Sales and marketing [Member]    
Less segment operating expenses:    
Total segment operating expenses 55,959 26,757
General and administrative [Member]    
Less segment operating expenses:    
Total segment operating expenses 8,377 8,719
Stock-based compensation [Member]    
Less segment operating expenses:    
Total segment operating expenses 7,423 5,298
Other [Member]    
Less segment operating expenses:    
Total segment operating expenses $ 58 $ 32