v3.26.1
Organization and Description of the Business - Narrative (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
May 11, 2026
USD ($)
Mar. 20, 2026
USD ($)
$ / shares
shares
Feb. 03, 2026
USD ($)
$ / shares
shares
Jan. 20, 2026
$ / shares
Nov. 24, 2025
USD ($)
$ / shares
shares
Nov. 19, 2025
shares
Jun. 11, 2025
USD ($)
$ / shares
shares
Apr. 30, 2025
Employees
Apr. 17, 2025
Apr. 08, 2025
Apr. 04, 2025
Jun. 20, 2024
USD ($)
shares
Jul. 23, 2021
USD ($)
Apr. 30, 2026
USD ($)
shares
Mar. 31, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Feb. 06, 2025
USD ($)
Class of Stock [Line Items]                                      
Reverse stock split                   one-for-thirteen one-for-thirteen                
Restructuring activities, plan adopted date                 Apr. 17, 2025                    
Number of employees eliminated | Employees               21                      
Number of full time employees | Employees               26                      
Effective date of workforce reduction               Apr. 30, 2025                      
Cash and cash equivalents                             $ 1,805,000     $ 7,707,000  
Cash expenditures related to one-time severance payments                               $ 3,200,000      
General and administrative expense                             5,425,000   $ 3,309,000    
Factor services amounts incurred or payable                             0        
Exercise price | $ / shares       $ 18.48                              
Warrants issued | shares     6,784,989                                
Aggregate sales price of common stock                             $ 170,000   1,444,000    
O 2026 Q4 Dividends                                      
Class of Stock [Line Items]                                      
Dividend record date       Jan. 30, 2026                              
Erigen Assets                                      
Class of Stock [Line Items]                                      
Asset acquisition, stock issued as consideration | shares     8,268,495                                
Asset acquisition, stock price per share | $ / shares     $ 2.41                                
Transaction costs     $ 2,253,000                                
Purchase Agreement | Series A Warrants                                      
Class of Stock [Line Items]                                      
Number of warrants issued | shares   925,927                                  
Purchase Agreement | Series B Warrants                                      
Class of Stock [Line Items]                                      
Number of warrants issued | shares   925,927                                  
At-The-Market Program                                      
Class of Stock [Line Items]                                      
Shares issued | shares                             0        
Remained available for issuance of common stock                                     $ 14,500,000
Private Placement | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Consideration received   $ 2,000,000                                  
Shares issued in transaction | shares   462,964                                  
RDO                                      
Class of Stock [Line Items]                                      
Consideration received         $ 3,800,000   $ 4,100,000                        
Pre Funded Warrant And Common Warrants | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Share Price | $ / shares   $ 2.159                                  
Pre-Funded Warrant | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Number of warrants issued | shares   462,963                                  
Share Price | $ / shares   $ 2.16                                  
Pre-Funded Warrant | Private Placement | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Exercise price | $ / shares   $ 0.001                                  
Common Warrants | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Consideration received   $ 4,000,000                                  
Common Warrants | Private Placement | Purchase Agreement                                      
Class of Stock [Line Items]                                      
Exercise price | $ / shares   $ 2.16                                  
Common Stock                                      
Class of Stock [Line Items]                                      
Aggregate sales price of common stock                                 $ 1,000    
Common Stock | RDO                                      
Class of Stock [Line Items]                                      
Shares issued in transaction | shares         487,000   405,000                        
Stock price (in dollars per share) | $ / shares         $ 3.625   $ 6.25                        
June 2025 Pre Funded Warrants | RDO                                      
Class of Stock [Line Items]                                      
Exercise price | $ / shares             $ 0.001                        
Number of warrants issued | shares             334,000                        
Stock price (in dollars per share) | $ / shares             $ 6.249                        
November 2025 Pre Funded Warrants | RDO                                      
Class of Stock [Line Items]                                      
Exercise price | $ / shares         $ 0.001                            
Number of warrants issued | shares         685,414                            
Stock price (in dollars per share) | $ / shares         $ 3.624                            
Warrant | RDO                                      
Class of Stock [Line Items]                                      
Exercise price | $ / shares         $ 3.5                            
Number of warrants issued | shares         1,172,414                            
Subsequent Event                                      
Class of Stock [Line Items]                                      
Factor deposit paid                           $ 400,000          
Maximum                                      
Class of Stock [Line Items]                                      
Public float                             $ 75,000,000        
Asset Purchase Agreement                                      
Class of Stock [Line Items]                                      
Asset acquisition, maximum funding commitment     20,000,000                                
Asset acquisition availability remained under funding commitment                             13,800,000        
Asset Purchase Agreement | Erigen Assets                                      
Class of Stock [Line Items]                                      
Cash expenditures related to one-time severance payments     1,500,000                                
Asset acquisition, maximum funding commitment     $ 20,000,000                                
Asset acquisition availability remained under funding commitment                             13,800,000        
Asset acquisition, agreement date           Nov. 19, 2025                          
Asset acquisition, effective date     Feb. 03, 2026                                
Asset acquisition, equity issued     $ 19,900,000                                
Transaction costs     $ 2,200,000                                
General and administrative expense                                   $ 2,200,000  
Expensed as acquired in-process research and development                             $ 22,100,000        
Exercise price | $ / shares     $ 18.48                                
Asset Purchase Agreement | Common Stock | Erigen Assets                                      
Class of Stock [Line Items]                                      
Asset acquisition, stock to be issued | shares           8,268,495                          
Asset acquisition, stock issued as consideration | shares     8,268,495                                
Asset acquisition, stock price per share | $ / shares     $ 2.41                                
Asset Purchase Agreement | Subsequent Event | Common Stock                                      
Class of Stock [Line Items]                                      
Shares issued in transaction | shares                           8,268,495          
Letter Agreement | Subsequent Event                                      
Class of Stock [Line Items]                                      
Waiver off amount payable under Factor MSA $ 2,100,000                                    
Reversal of factor deposit $ 200,000                                    
Jefferies LLC | At-The-Market Program                                      
Class of Stock [Line Items]                                      
Shares issued | shares                       9,017,110              
Gross proceeds from issuance of common stock                       $ 42,700,000              
Net proceeds from sales of common stock                       41,500,000              
Jefferies LLC | Maximum | At-The-Market Program                                      
Class of Stock [Line Items]                                      
Aggregate sales price of common stock                       $ 205,000,000 $ 100,000,000            
Percentage of commission on sale of stock                         3.00%