v3.26.1
Stockholders' Deficit - Additional Information (Details) - USD ($)
 12 Months Ended
Oct. 24, 2025
Oct. 23, 2025
Dec. 19, 2024
Jun. 04, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 29, 2025
Dec. 28, 2025
Dec. 23, 2024
Dec. 31, 2023
Stockholders' Deficit                    
Common stock, shares authorized         2,600,000,000 2,600,000,000 2,600,000,000 1,700,000,000    
Common stock, par value (in dollars per share)         $ 0.001 $ 0.001 $ 0.001      
Proceeds from issuance of common shares         $ 19,319,000 $ 14,217,000        
Number of shares issued during the period         88,100,000          
Conversion of share settled debt into common stock         $ 2,797,000 14,091,000        
Accrued interest         400,000          
Amount of debt converted         $ 11,100,000          
Debt converted to common stock (in shares)         49,000,000          
Warrants to purchase shares       200,000            
Warrants exercise price       $ 0.4            
Issuance of common stock as commitment fee           $ 500,000        
Stock issued on exercise of warrants           6,500,000        
Number of warrants, cashless warrants exercise           4,794,000        
Number of options exercised in cashless           700,000        
Settled true-up provision         $ 1,500,000 $ 1,000,000        
Shares issued for completion of milestone           4,500,000        
Repurchase of common stock $ 0                  
Common shares returned from acquisition $ 12,000                  
Common shares returned from acquisition (in shares) 12,000,000                  
Number of warrants outstanding         92,891,000 94,199,000     32,500,000 105,241,000
Class of warrant or right, extended in suspension         92,000,000          
Modification cost associated with debt financing           $ 1,600,000        
Deemed dividend related to warrant modifications         $ 1,315,000 1,414,000        
Standby Equity Purchase Agreement                    
Stockholders' Deficit                    
Commitment amount     $ 50,000,000              
Period of SEPA at small discount     24 months              
Percentage of commitment fee     1.00%              
SEPA, Structuring fee     $ 25,000              
Issuance of common stock as commitment fee     $ 500,000              
Issuance of common stock as commitment fee (in shares)     1,600,000              
Percentage of dividend of common stock     120.00%              
Pre Modification                    
Stockholders' Deficit                    
Incremental stock-based compensation for stock options modification         $ 1,300,000 $ 3,000,000        
Notes                    
Stockholders' Deficit                    
Convertible notes shares of common stock         96,700,000 53,000,000        
Conversion of share settled debt into common stock         $ 25,900,000 $ 19,400,000        
Cash payments         $ 19,700,000 $ 14,800,000        
Warrants issued as consideration for warrants suspension                    
Stockholders' Deficit                    
Number of warrants outstanding         93,000,000          
Cashless warrants exercised                    
Stockholders' Deficit                    
Conversion of share settled debt into common stock         $ 25,900,000          
Number of warrants, cashless warrants exercise           4,800,000        
Advent BioServices                    
Stockholders' Deficit                    
Shares issued for completion of milestone   12,000,000                
Shares reverted 12,000,000                  
Common Stock                    
Stockholders' Deficit                    
Number of shares issued during the period         88,134,000 50,483,000        
Convertible notes shares of common stock         4,711,000 38,237,000        
Conversion of share settled debt into common stock         $ 5,000 $ 38,000        
Issuance of common stock as commitment fee           $ 2,000        
Issuance of common stock as commitment fee (in shares)           1,587,000        
Proceeds from exercise of outstanding warrants           $ 1,500,000        
Shares of common stock issued on exercise of warrants and options           3,100,000        
Common Stock | Notes                    
Stockholders' Deficit                    
Convertible notes shares of common stock         96,700,000 53,000,000        
Conversion of share settled debt into common stock           $ 19,400,000        
Cash payments         $ 19,700,000 14,800,000        
Accrued interest         $ 1,800,000          
Settled true-up provision           1,000,000        
June Offering                    
Stockholders' Deficit                    
Proceeds from issuance of common shares           $ 11,100,000        
Number of shares issued during the period           42,400,000        
June Offering | Placement Agent Warrant                    
Stockholders' Deficit                    
Proceeds from issuance of common shares       $ 2,900,000            
Number of shares issued during the period       8,100,000            
Purchase price       $ 0.4            
Sale of Stock Consideration Received on Transaction       $ 3,300,000            
Minimum | Standby Equity Purchase Agreement                    
Stockholders' Deficit                    
Percentage of commitment fee     95.00%              
Minimum | Equity Option | Cashless warrants exercised                    
Stockholders' Deficit                    
Warrants exercise price           $ 0.35        
Minimum | Common Stock | Equity Option | Cashless warrants exercised                    
Stockholders' Deficit                    
Warrants exercise price           0.2        
Maximum                    
Stockholders' Deficit                    
Warrants exercise price           0.24        
Maximum | Standby Equity Purchase Agreement                    
Stockholders' Deficit                    
Percentage of commitment fee     97.00%              
Maximum | Common Stock | Equity Option | Cashless warrants exercised                    
Stockholders' Deficit                    
Warrants exercise price           $ 0.34