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Organization and Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Security
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Security
Segment
$ / shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Accumulated deficit $ 397,715,000   $ 397,715,000   $ 351,382,000
Accrued interest receivable $ 6,200,000   $ 6,200,000   6,400,000
Available-for-sale debt securities number of position gross unrealized loss | Security 88   88    
Number of available-for-sale debt securities | Security     140    
Allowance for credit losses $ 0   $ 0   0
Available-for-sale debt securities, in continuous unrealized loss position for 12 months or longer 0   0   $ 0
Revenue $ 10,267,000 $ 0 $ 14,000,000 $ 0  
Number of operating segment | Segment     1    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember, srt:PresidentMember    
Pre funded common stock warrants exercise price | $ / shares     $ 0.001    
Change in accounting principle, ASU, Adopted [true false] true   true    
Change in accounting principle, ASU, Early adoption [true false] true   true    
Change in accounting principle, ASU, Adoption date Jan. 01, 2026   Jan. 01, 2026    
Change in accounting principle, ASU, Immaterial effect [true false] true   true    
Accounting Standards Update [Extensible Enumeration]     us-gaap:AccountingStandardsUpdate202507Member