Quarterly report [Sections 13 or 15(d)]

Stock-Based Compensation - Narrative (Details)

v3.25.1
Stock-Based Compensation - Narrative (Details)
3 Months Ended
Jan. 02, 2025
USD ($)
$ / shares
shares
Sep. 30, 2024
$ / shares
shares
Sep. 13, 2021
shares
Mar. 31, 2025
USD ($)
$ / shares
shares
Mar. 31, 2024
shares
Dec. 31, 2024
shares
Mar. 15, 2024
Mar. 14, 2024
Jan. 24, 2023
Jan. 23, 2023
Restricted stock awards with service-based vesting conditions                    
Stock-Based Compensation                    
Unamortized compensation costs | $       $ 5,609,000            
Weighted-average period       2 years 9 months 18 days            
Number of stock released       56,591            
Shares unvested       4,644,646   669,344        
Number of restricted shares granted       4,165,338            
Fair value per share | $ / shares       $ 1.04            
Restricted stock awards with performance-based vesting conditions                    
Stock-Based Compensation                    
Unamortized compensation costs | $       $ 1,930,000            
Weighted-average period       1 year 8 months 12 days            
Term for achieving threshold revenue       5 years            
Shares unvested       1,955,000            
Number of restricted shares granted       1,955,000            
Fair value per share | $ / shares       $ 1.04            
LTSI                    
Stock-Based Compensation                    
Maximum shares authorized to issue, percentage       15.00%     15.00% 8.00%    
Percentage of maximum shares issued in a year       8         15 8
Number of shares available for grant       3,303,983            
LTSI | Restricted stock units                    
Stock-Based Compensation                    
Number of stock released       0 20          
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 | Restricted stock units                    
Stock-Based Compensation                    
Number of units issued     21              
Shares unvested       16            
September 2024 Inducement Warrants | Restricted stock units                    
Stock-Based Compensation                    
Unamortized compensation costs | $       $ 0            
Number of units issued   70,000                
Price per Unit | $ / shares   $ 1.77                
2022 | Restricted stock units                    
Stock-Based Compensation                    
Unamortized compensation costs | $       $ 58,000            
Weighted-average period       1 year 2 months 12 days            
Number of stock released       2 3          
Shares unvested       12   14        
Bradley Inducement Grant                    
Stock-Based Compensation                    
Unamortized compensation costs | $       $ 2,255,000            
Weighted-average period       2 years 3 months            
Number of restricted shares granted 1,200,000                  
Fair value per share | $ / shares $ 2.04                  
Bradley Inducement Grant | Restricted stock awards with service-based vesting conditions                    
Stock-Based Compensation                    
Vesting period for each installment 3 months                  
Vesting term 36 months                  
Number of restricted shares granted 600,000                  
Bradley Inducement Grant | Restricted stock awards with performance-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 600,000