Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Narrative (Details)

v3.26.1
Stock-Based Compensation - Narrative (Details)
9 Months Ended 12 Months Ended
May 20, 2025
USD ($)
$ / shares
shares
Jan. 02, 2025
USD ($)
$ / shares
shares
Sep. 13, 2021
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 20, 2024
Sep. 10, 2024
$ / shares
Dec. 31, 2023
shares
Mar. 15, 2023
Mar. 14, 2023
Jan. 24, 2023
Jan. 23, 2023
Jan. 03, 2018
Stock-Based Compensation                            
Price per Unit | $ / shares               $ 2.4            
Restricted stock                            
Stock-Based Compensation                            
Unamortized compensation costs         $ 35,600,000                  
Additional stock-based compensation expense         $ 1,400,000                  
Number of restricted shares granted | shares         23,242,431 1,163,678                
Shares unvested | shares         20,180,686 669,344     5,382          
Fair value per share | $ / shares         $ 1.68 $ 2.25                
Stock-based compensation         $ 915,000                  
Restricted stock awards with service-based vesting conditions                            
Stock-Based Compensation                            
Weighted-average period         2 years 10 months 24 days                  
Restricted stock awards with performance-based vesting conditions                            
Stock-Based Compensation                            
Unamortized compensation costs         $ 900,000                  
Weighted-average period         1 year                  
Term for achieving threshold revenue         5 years                  
LTSI                            
Stock-Based Compensation                            
Maximum shares authorized to issue, percentage             15.00%     15.00% 8.00%     15.00%
Percentage of maximum shares issued in a year                       15 8 8
Number of shares available for grant | shares         63,910,037                  
LTSI | Restricted stock units                            
Stock-Based Compensation                            
Aggregate intrinsic value           $ 229,669                
Aggregate intrinsic value         $ 2,500,000                  
LTSI | Restricted stock awards with performance-based vesting conditions                            
Stock-Based Compensation                            
Threshold revenues to be achieved for vesting         40,000,000                  
September 2021 Inducement Grant                            
Stock-Based Compensation                            
Stock-based compensation         200,000                  
September 2021 Inducement Grant | Restricted stock units                            
Stock-Based Compensation                            
Number of restricted shares granted | shares     21                      
September 2024 Inducement Warrants                            
Stock-Based Compensation                            
Unamortized compensation costs         0                  
Stock-based compensation       $ 100,000                    
September 2024 Inducement Warrants | Restricted stock units                            
Stock-Based Compensation                            
Price per Unit | $ / shares       $ 1.77                    
Number of units issued | shares       70,000                    
2022 | Restricted stock units                            
Stock-Based Compensation                            
Unamortized compensation costs         $ 39,000                  
Weighted-average period         6 months                  
Aggregate intrinsic value         $ 1,000 $ 1,000                
Shares unvested | shares         6 14     17          
2020 Stock Incentive Plan | Restricted stock units                            
Stock-Based Compensation                            
Number of restricted shares granted | shares         2,065,000                  
Shares unvested | shares         1,925,000                  
Fair value per share | $ / shares         $ 0.98                  
Bradley Inducement Grant                            
Stock-Based Compensation                            
Unamortized compensation costs         $ 1,500,000                  
Weighted-average period         1 year 8 months 12 days                  
Bradley Inducement Grant | Restricted stock units                            
Stock-Based Compensation                            
Number of restricted shares granted | shares   1,200,000                        
Fair value per share | $ / shares   $ 2.04                        
Bradley Inducement Grant | Restricted stock awards with service-based vesting conditions                            
Stock-Based Compensation                            
Threshold revenues to be achieved for vesting   $ 40,000,000                        
Term for achieving threshold revenue   5 years                        
Number of restricted shares granted | shares   600,000                        
Vesting period for each installment   3 months                        
Vesting term   36 months                        
LoGuirato Inducement Grant                            
Stock-Based Compensation                            
Unamortized compensation costs         $ 300,000                  
Weighted-average period         1 year 9 months 18 days                  
LoGuirato Inducement Grant | Restricted stock units                            
Stock-Based Compensation                            
Number of restricted shares granted | shares 500,000                          
Fair value per share | $ / shares $ 0.97                          
LoGuirato Inducement Grant | Restricted stock awards with service-based vesting conditions                            
Stock-Based Compensation                            
Threshold revenues to be achieved for vesting $ 25,000,000                          
Term for achieving threshold revenue 5 years                          
Number of restricted shares granted | shares 250,000                          
Vesting term 36 months