v3.26.1
Stockholders' Deficit - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 12, 2026
Feb. 26, 2026
Feb. 20, 2026
Dec. 12, 2025
Sep. 25, 2025
Aug. 15, 2025
Jan. 09, 2024
May 24, 2023
Sep. 30, 2023
Mar. 31, 2026
Sep. 30, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Aug. 20, 2025
Jul. 10, 2024
Class of Stock [Line Items]                                
Common stock, shares outstanding                   461,132   435,473 321,293 285,761    
Preferred Stock, shares authorized                   5,000,000   5,000,000 5,000,000 5,000,000    
Preferred stock, par value                   $ 0.01   $ 0.01 $ 0.01 $ 0.01    
Preferred stock, shares issued                   0   0 0 0    
Common stock, shares issued                   461,132   435,473 321,293 285,761    
Exercise Price                   $ 0.65   $ 0.88        
Common stock, shares authorized                   500,000,000   500,000,000 500,000,000 500,000,000    
Common stock, par value                   $ 0.01   $ 0.01 $ 0.01 $ 0.01 $ 0.01  
Term (years)                     5 years 6 months          
Sale of Stock, Consideration Received Per Transaction           $ 9,500                    
Deferred Offering Costs                 $ 300 $ 800 $ 300 $ 0        
Net cash proceeds                 1,700              
Loss on issuance of common stock                 $ 200     0 $ 0 $ 231    
Sale of stock, authorized amount of common stock                             $ 20,000  
Net proceeds from common stock shares issued at public offering                           3,150    
Offering expenses $ 100                 $ 9       $ 262    
Aggregate principal amount of initial loan advance                       $ 1,000        
Pre-Funded Warrants 371,057 185,527               5,009,321   3,525,094 93,266 36,766    
Outstanding debt $ 2,000                              
Accrued interest   $ 1,000                            
Short Term Debt, Outstanding Amount   0                            
Common stock exercise price $ 0.11                              
Purchase price per share $ 5.39                              
Share-Based Payment Arrangement, Tranche Three [Member]                                
Class of Stock [Line Items]                                
Accrued interest   $ 1,000                            
Pre-Funded Warrants [Member]                                
Class of Stock [Line Items]                                
Exercise Price         $ 0.11                      
Common stock, par value         $ 5.39                      
Sale of Stock, Consideration Received Per Transaction $ 2,000                              
September 2023 Warrants [Member]                                
Class of Stock [Line Items]                                
Exercise Price   $ 0.11                            
Pre-Funded Warrants   1,113,172                            
Black-Scholes model [Member]                                
Class of Stock [Line Items]                                
Exercise Price                           $ 5.4    
Risk-Free Rate                 4.70%              
Issuance of 2023 Common Warrants and Placement Agent Warrants                     $ 1,900          
Volatility                 139.00%   139.00%          
Term (years)                 3 years              
September 2023 Purchase Agreement [Member]                                
Class of Stock [Line Items]                                
Common stock, shares issued                 27,780   27,780          
Exercise Price                 $ 0.011   $ 0.011          
Total Gross Proceeds                     $ 2,000          
Sales Agreement [Member]                                
Class of Stock [Line Items]                                
Common stock public offering price                           $ 64.57    
Net proceeds from common stock shares issued at public offering                           $ 3,500    
Offering expenses                           $ 300    
Domicilium Securities Purchase Agreement [Member]                                
Class of Stock [Line Items]                                
Common stock, shares issued             14,285         5,000,000        
Amount allocated to Coastlands     $ 5,000                          
Number of common stock in warrant             42,864                  
Exercise Price             $ 0.11                  
Common stock, par value             $ 0.01                  
Issuance of 2023 Common Warrants and Placement Agent Warrants             $ 700                  
Domicilium Securities Purchase Agreement [Member] | January 2024 Pre-Funded Warrant [Member]                                
Class of Stock [Line Items]                                
Exercise Price             $ 12.98                  
Domicilium Securities Purchase Agreement [Member] | Pre-Funded Warrants [Member]                                
Class of Stock [Line Items]                                
Number of common stock in warrant             13,636                  
Domicilium Securities Purchase Agreement [Member] | Black-Scholes model [Member]                                
Class of Stock [Line Items]                                
Exercise Price             $ 1.14                  
Coastlands Securities Purchase Agreement                                
Class of Stock [Line Items]                                
Common stock, shares issued                       20,000,000     20,000,000  
Amount allocated to Coastlands     15,000                 $ 15,000        
Purchased securities     9,500     $ 1,000           $ 5,000        
Securities for cash consideration     20,000                          
Exercise Price           $ 0.11                 $ 0.01  
Common stock public offering price           $ 5.39                    
Net proceeds from common stock shares issued at public offering           $ 1,000                    
Purchase of pre-funded warrants                       42,864        
Conversion Price   $ 5.39                            
Coastlands Securities Purchase Agreement | Share-Based Payment Arrangement, Tranche Three [Member]                                
Class of Stock [Line Items]                                
Exercise Price   $ 0.11                            
Pre-Funded Warrants   927,643                            
Outstanding debt   $ 5,000                            
Share Price   $ 5.39                            
September 2023 Warrants [Member]                                
Class of Stock [Line Items]                                
Exercise Price                 56.43   $ 56.43          
September 2023 Placement Agent Warrants [Member]                                
Class of Stock [Line Items]                                
Exercise Price                 $ 72.26   $ 72.26          
Common stock, shares authorized                 2,075   2,075          
September 2023 Placement Agent Warrants [Member] | Black-Scholes model [Member]                                
Class of Stock [Line Items]                                
Exercise Price                           $ 5.4    
Risk-Free Rate                 4.70%              
Volatility                 139.00%   139.00%          
Term (years)                 3 years              
ATM Program [Member]                                
Class of Stock [Line Items]                                
Sale of common stock through ATM, net of issuance costs, shares                           54,222    
Initial Coastlands Closing                                
Class of Stock [Line Items]                                
Proceeds received     $ 15,000 $ 10,000 $ 5,000                      
Coastlands First Tranche Closing                                
Class of Stock [Line Items]                                
Exercise Price         $ 0.11                      
Common stock public offering price         $ 5.39                      
Net proceeds from common stock shares issued at public offering         $ 4,000                      
Purchase of pre-funded warrants         742,115                      
Loan conversion         $ 8,500                      
Aggregate principal amount of initial loan advance         $ 9,500                      
Pre-Funded Warrants         1,576,542                      
Conversion Price         $ 5.39                      
Outstanding debt         $ 1,000                      
Accrued interest         1,000                      
Unpaid interest         $ 1,000                      
Coastlands Second Tranche Closing                                
Class of Stock [Line Items]                                
Exercise Price       $ 0.11                        
Common stock public offering price       $ 5.39                        
Net proceeds from common stock shares issued at public offering       $ 5,000                        
Purchase of pre-funded warrants       927,643                        
Maximum [Member]                                
Class of Stock [Line Items]                                
Fair value inputs probability of outcome             95.00%                  
Unpaid interest   $ 100                   $ 100        
Maximum [Member] | September 2023 Purchase Agreement [Member]                                
Class of Stock [Line Items]                                
Number of common stock in warrant                 6,818   6,818          
Maximum [Member] | Sales Agreement [Member]                                
Class of Stock [Line Items]                                
Sale of stock, authorized amount of common stock               $ 50,000                
Aggregate offering price               $ 6,500                
Percentage of sales agents commission               3.00%                
Maximum [Member] | Domicilium Securities Purchase Agreement [Member] | Black-Scholes model [Member]                                
Class of Stock [Line Items]                                
Risk-Free Rate             4.20%                  
Volatility             152.00%                  
Term (years)             5 years 3 days                  
Maximum [Member] | September 2023 Warrants [Member]                                
Class of Stock [Line Items]                                
Number of common stock in warrant                 34,599   34,599          
Minimum [Member]                                
Class of Stock [Line Items]                                
Fair value inputs probability of outcome             5.00%                  
Minimum [Member] | Domicilium Securities Purchase Agreement [Member] | Black-Scholes model [Member]                                
Class of Stock [Line Items]                                
Risk-Free Rate             4.00%                  
Volatility             134.00%                  
Term (years)             2 years 8 months 23 days                  
Domicilium [Member] | Domicilium Securities Purchase Agreement [Member]                                
Class of Stock [Line Items]                                
Percentage ownership             9.90%                  
Domicilium [Member] | Domicilium Securities Purchase Agreement [Member] | January 2024 Pre-Funded Warrant [Member]                                
Class of Stock [Line Items]                                
Percentage ownership             4.90%                  
Hercules Term Loan Agreement                                
Class of Stock [Line Items]                                
Aggregate principal amount of initial loan advance                               $ 3,200
Hercules Term Loan Agreement | Share-Based Payment Arrangement, Tranche Three [Member]                                
Class of Stock [Line Items]                                
Short Term Debt, Outstanding Amount   $ 1,000                            
Hercules Term Loan Agreement | Maximum [Member]                                
Class of Stock [Line Items]                                
Unpaid interest                       $ 100