v3.26.1
Description of Business and Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended
Apr. 28, 2025
Mar. 31, 2026
USD ($)
$ / shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Accounting Policies [Line Items]        
Net loss   $ (20,241,000) $ 282,000  
Net cash used in operating activities   (19,599,000) $ (12,368,000)  
Cash, cash equivalents, and short-term marketable securities   233,700,000    
Accumulated deficit   (614,795,000)   $ (594,554,000)
Fair value of derivative liability   907,000   987,000
Embedded Derivative Liability        
Accounting Policies [Line Items]        
Fair value of derivative liability   10,000   $ 10,000
Measurement Input, Discount Rate        
Accounting Policies [Line Items]        
Embedded derivative liability   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    
Common Stock        
Accounting Policies [Line Items]        
Reverse stock split, conversion ratio 0.0333      
Pre Funded Warrant | Maximum        
Accounting Policies [Line Items]        
Warrant exercise price (usd per share) | $ / shares   $ 0.03