Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Details)

v3.25.3
Stockholders' Equity (Details)
1 Months Ended 9 Months Ended
Sep. 29, 2025
$ / shares
shares
Apr. 07, 2025
shares
Mar. 12, 2025
USD ($)
$ / shares
shares
Oct. 17, 2024
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
Jun. 30, 2025
shares
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2024
$ / shares
shares
Oct. 31, 2024
shares
Oct. 07, 2024
$ / shares
Dec. 31, 2023
$ / shares
shares
Dec. 16, 2020
$ / shares
shares
Stockholders' Equity                            
Preferred stock authorized (in shares)                     2,000,000   2,000,000  
Preferred stock, par value (in dollars per share) | $ / shares                         $ 0.0001  
Temporary equity, shares authorized (in shares)         2,104 2,104       2,270        
Temporary equity, shares issued (in shares)         2,103.1494 2,103.1494       2,213.8044        
Temporary equity, shares outstanding (in shares)         2,103.1494 2,103.1494   2,269.1494 2,213.8044 2,213.8044        
Dividends payable | $                 $ 1,770,767          
Waiver of Series A Non-voting Convertible Preferred Stock | $         $ 5,500,000                  
Waiver of cash settlement and related repurchase rights for series A preferred stock         166                  
Common stock authorized (in shares)         43,000,000 43,000,000       43,000,000       43,000,000
Common stock, par value (in dollars per share) | $ / shares         $ 0.0001 $ 0.0001       $ 0.0001       $ 0.0001
Net proceeds from issuance of common stock | $           $ 4,252,245 $ 1,382,170              
License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Total Consideration Paid           12,030,667                
Common Stock | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Total Consideration Paid           2,108,828                
Series A Non-Voting Convertible Preferred Stock                            
Stockholders' Equity                            
Temporary equity, shares authorized (in shares)         2,270 2,270       2,270 2,270      
Temporary equity, shares issued (in shares)         2,269.1494 2,269.1494       2,213.8044        
Temporary equity, shares outstanding (in shares)         2,269.1494 2,269.1494                
Percentage of original shares remaining issued and outstanding           30.00%                
Shares automatically converted           10,000                
Preferred Stock                            
Stockholders' Equity                            
Preferred stock dividend rate percentage           5.00%                
Preferred stock dividend payment period   180 days       180 days                
PIK dividend, shares   55.345                        
Series A1 Convertible Preferred Stock                            
Stockholders' Equity                            
Preferred stock authorized (in shares)         285 285     285 0        
Preferred stock, par value (in dollars per share) | $ / shares     $ 0.0001                      
Preferred stock issued (in shares)         284.2638 284.2638       0        
Preferred stock outstanding (in shares)         284.2638 284.2638       0        
Minimum percentage of Preferred stock issued and outstanding           30.00%                
No. of share issued during conversion     10,000   10,000 10,000                
Series A2 Convertible Preferred stock                            
Stockholders' Equity                            
Preferred stock authorized (in shares)         190.0572 190.0572                
Preferred stock issued (in shares)                   0        
Preferred stock outstanding (in shares)         190.0572 190.0572                
Minimum percentage of Preferred stock issued and outstanding           30.00%                
No. of share issued during conversion         10,000 10,000                
Series A-2 Non-Voting Convertible Preferred Stock                            
Stockholders' Equity                            
Preferred stock authorized (in shares)         190.0572 190.0572       0        
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.0001 $ 0.0001       $ 0.0001        
Preferred stock issued (in shares)         190.0572 190.0572       0        
Preferred stock outstanding (in shares)         190.0572 190.0572       0        
Series A-2 Non-Voting Convertible Preferred Stock | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Total Consideration Paid           9,800,839                
Series A Non-Voting Convertible Preferred Stock                            
Stockholders' Equity                            
Preferred stock authorized (in shares)         166 166       0        
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.0001 $ 0.0001       $ 0.0001        
Preferred stock issued (in shares)         166.0000 166.0000       0        
Preferred stock outstanding (in shares)         166.0000 166.0000       0        
Series A Non-Voting Convertible Preferred Stock | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Common stock, par value (in dollars per share) | $ / shares $ 0.0001                          
Preferred Stock Excluding Series A, Series A-1 and Series A-2 Non-Voting Convertible Preferred Stock                            
Stockholders' Equity                            
Preferred stock authorized (in shares)         1,997,254 1,997,254       1,997,730        
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.0001 $ 0.0001       $ 0.0001        
Preferred stock issued (in shares)         0 0       0        
Preferred stock outstanding (in shares)         0 0       0        
Pharmagesic Holdings Inc.                            
Stockholders' Equity                            
Preferred stock, par value (in dollars per share) | $ / shares                       $ 0.0001    
Number of Contingent Value Rights Issuable for each Common Share       1                    
Contingent value rights agreement term       7 years                    
Percentage of upfront payment to which holders are entitled       87.75%                    
Percentage ownership of outstanding rights that entitles holder to audit and enforcement       30.00%                    
Serpin Pharma | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Common stock, par value (in dollars per share) | $ / shares $ 0.0001                          
Total Consideration Paid 191,017                          
Serpin Pharma | Series A-2 Non-Voting Convertible Preferred Stock | License for SP16 Development                            
Stockholders' Equity                            
Total Consideration Paid 89.5939                          
Serpin Registration Rights Agreement | Common Stock | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Total Consideration Paid 191,017                          
Serpin Registration Rights Agreement | Series A-2 Non-Voting Convertible Preferred Stock | License for SP16 Development | Serpin License Agreement                            
Stockholders' Equity                            
Total Consideration Paid 89.5939                          
Tungsten Advisors | Series A-2 Non-Voting Convertible Preferred Stock | License for SP16 Development                            
Stockholders' Equity                            
Total Consideration Paid 10.8694                          
Registered Direct Offering                            
Stockholders' Equity                            
Shares issued     578,950                      
Price per share | $ / shares     $ 8.26                      
Gross proceeds from issuance of shares | $     $ 4,780,000                      
Net proceeds from issuance of common stock | $     $ 4,250,000