v3.26.1
Organization, Restructuring, Going Concern and Basis of Presentation - Additional Information (Details)
 1 Months Ended 2 Months Ended 12 Months Ended
May 16, 2024
Employee
Jan. 31, 2026
Employee
Jun. 30, 2024
Employee
Dec. 31, 2025
USD ($)
Lease
shares
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Organization And Basis Of Presentation [Line Items]            
Entity incorporation, date of incorporation       Nov. 21, 2005    
Number of leased properties marketed for sublease arrangements | Lease       3    
Restructuring charge       $ 1,469,000 $ 10,896,000  
Impairment charge for write-down of property and equipment       0 1,900,000  
Impairment of right-of-use assets         22,836,000  
Fund raised for operations       429,800,000    
Proceeds from issuance of equity gross       5,000,000    
Proceeds from issuance of equity net       4,300,000    
Stockholders' equity       (10,717,000) 11,594,000 $ 89,420,000
Accumulated deficit       (433,709,000) (404,790,000)  
Cash and cash equivalents       15,893,000 40,577,000  
Short-term investments       $ 0 0  
Stock exchange stock trading description       From the May 28, 2025 date that the common stock began trading on a post-split basis on Nasdaq, the Company maintained a minimum bid price of $1.00 per common share in excess of 10 consecutive business days as required under the Bid Price Requirement, and, on June 13, 2025, Nasdaq notified the Company that it had regained compliance with the Bid Price Requirement.    
Employee Severance            
Organization And Basis Of Presentation [Line Items]            
Number of employees reduced | Employee 87   87      
Common Stock            
Organization And Basis Of Presentation [Line Items]            
Stockholders' equity       $ 2,000 $ 1,000 $ 1,000
Reverse stock split       As a result of the Reverse Stock Split, every 50 shares of the Company’s issued and outstanding common stock was automatically exchanged for one issued and outstanding share of common stock, without any change in the par value per share.    
Reduction of common stock fractional share | shares       48    
Authorized number of shares remained unchanged | shares       200,000,000    
Subsequent Events | Employee Severance            
Organization And Basis Of Presentation [Line Items]            
Number of employees reduced | Employee   25