v3.26.1
Fair Value of Financial Assets and Liabilities - Additional Information (Detail) - USD ($)
shares in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2023
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]            
Transfers between Level 1, Level 2 and Level 3   $ 0 $ 0 $ 0 $ 0  
Omers Royalty Sale Agreement [Member]            
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]            
Proceeds from sale of future royalties $ 200,000,000          
Percentage of future quarterly royalty payments on net sales received in cash 54.50%          
Future quarterly royalty payments, description after June 30, 2023, through June 30, 2032, subject to a cap on aggregate payments equal to 1.42 times the purchase price.          
Series 1 Nonconvertible Preferred Stock [Member]            
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]            
Preferred stock, shares outstanding     1,930   1,930 1,930
Change in fair value of nonconvertible preferred stock   $ 0 $ 0 $ 0 $ 0