XML 60 R48.htm IDEA: XBRL DOCUMENT v3.26.1
Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Cash and cash equivalents $ 75,670 $ 88,334
U.S. Treasury securities 281,701 154,484
Restricted cash 1,277 1,097
Total assets measured at fair value 358,648 243,915
Contingent consideration (21) (22)
Related-party convertible note payable at fair value (774,350) (477,093)
Warrant liabilities (352,383) (84,417)
RIPA derivative liabililty (23,700) (19,400)
Stock option purchase liability (306) (322)
Total liabilities measured at fair value (1,150,760) (581,254)
Level 1    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Cash and cash equivalents 75,670 88,334
U.S. Treasury securities 281,701 154,484
Restricted cash 1,277 1,097
Total assets measured at fair value 358,648 243,915
Contingent consideration 0 0
Related-party convertible note payable at fair value 0 0
Warrant liabilities 0 0
RIPA derivative liabililty 0 0
Stock option purchase liability 0 0
Total liabilities measured at fair value 0 0
Level 2    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Cash and cash equivalents 0 0
U.S. Treasury securities 0 0
Restricted cash 0 0
Total assets measured at fair value 0 0
Contingent consideration 0 0
Related-party convertible note payable at fair value 0 0
Warrant liabilities 0 0
RIPA derivative liabililty 0 0
Stock option purchase liability 0 0
Total liabilities measured at fair value 0 0
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Cash and cash equivalents 0 0
U.S. Treasury securities 0 0
Restricted cash 0 0
Total assets measured at fair value 0 0
Contingent consideration (21) (22)
Related-party convertible note payable at fair value (774,350) (477,093)
Warrant liabilities (352,383) (84,417)
RIPA derivative liabililty (23,700) (19,400)
Stock option purchase liability (306) (322)
Total liabilities measured at fair value $ (1,150,760) $ (581,254)