v3.26.1
Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Accounting Policies [Line Items]              
Net loss $ (16,157,000) $ (20,241,000) $ (25,741,000) $ 282,000 $ (36,398,000) $ (25,459,000)  
Net cash used in operating activities         (40,387,000) $ (42,269,000)  
Cash, cash equivalents, and short-term marketable securities 208,000,000.0       208,000,000.0    
Accumulated deficit (630,952,000)       (630,952,000)   $ (594,554,000)
Fair value of derivative liability 379,000       379,000   987,000
Embedded Derivative Liability              
Accounting Policies [Line Items]              
Fair value of derivative liability 10,000       10,000   $ 10,000
Measurement Input, Discount Rate              
Accounting Policies [Line Items]              
Embedded derivative liability 0.17       0.17    
Min Cash Test Date 1 | Hercules Second Amended Loan Agreement              
Accounting Policies [Line Items]              
Line of credit, covenant, minimum cash $ 15,000,000.0       $ 15,000,000.0    
Pre Funded Warrant | Maximum              
Accounting Policies [Line Items]              
Warrant exercise price (usd per share) $ 0.03       $ 0.03