v3.26.1
Basis of Presentation, Liquidity and Risks and Uncertainties (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 06, 2026
Nov. 12, 2025
Jul. 07, 2025
Jul. 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Jul. 29, 2026
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Net loss         $ 6,012,458 $ 19,682,798 $ 23,519,412 $ 19,694,697 $ 25,695,256 $ 43,214,109    
Working capital         (2,000)       (2,000)      
Accumulated deficit         $ 1,840,860,419       $ 1,840,860,419   $ 1,815,165,163  
Common stock, par value (in dollars per share)         $ 0.001       $ 0.001   $ 0.001  
Cash, cash equivalents, and short-term investments         $ 36,700,000       $ 36,700,000      
Proceeds from issuance of stock                 $ 4,331,095 $ 1,102,149    
July 2026 Offering                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Proceeds from sale of stock $ 18,300,000                      
July 2026 Offering | Subsequent Event                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Sale of stock, price per share (in dollars per share)       $ 0.95                
Number of additional shares authorized (in shares)       3,157,894                
Number of additional securities called by warrants or rights (in shares)       6,315,788               6,315,788
Proceeds from sale of stock       $ 18,300,000                
July 2026 Offering | Common stock | Subsequent Event                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares)       21,052,632                
Common stock, par value (in dollars per share)       $ 0.001                
Number of securities called by warrants or rights (in shares)       42,105,264                
Warrant exercise price (in dollars per share)       $ 1.10                
Sale of stock, price per share (in dollars per share)       1.099                
Pre-funded, exercise price (in USD per share)       $ 1.10                
April 2026 Offering                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares) 12,500,000                      
Common stock, par value (in dollars per share) $ 0.001                      
Warrant exercise price (in dollars per share) $ 1.40                      
Proceeds from sale of stock $ 16,100,000                      
April 2026 Offering | Series A Warrants                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of securities called by warrants or rights (in shares) 12,500,000                      
Warrant exercise price (in dollars per share) $ 1.40       $ 1.40       $ 1.40      
Sale of stock, price per share (in dollars per share) $ 1.399                      
Class of warrant or right, number of securities called by each warrant or right (in shares) 1                      
Pre-funded, exercise price (in USD per share) $ 0.001                      
April 2026 Offering | Series B Warrants                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of securities called by warrants or rights (in shares) 12,500,000                      
Warrant exercise price (in dollars per share) $ 1.40       1.40       1.40      
Sale of stock, price per share (in dollars per share) $ 1.399                      
November 2025 Offering                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares)   15,131,700                    
Common stock, par value (in dollars per share)   $ 0.001                    
Sale of stock, price per share (in dollars per share)   $ 1.90                    
Proceeds from sale of stock   $ 26,600,000                    
July 2025 Offering                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares)     14,285,715                  
Common stock, par value (in dollars per share)     $ 0.001                  
Warrant exercise price (in dollars per share)     0.001                  
Sale of stock, price per share (in dollars per share)     $ 1.75                  
Proceeds from sale of stock     $ 22,400,000                  
July 2025 Offering | Series A Warrants                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of securities called by warrants or rights (in shares)     14,285,715                  
Warrant exercise price (in dollars per share)     $ 1.75   1.75       1.75      
Sale of stock, price per share (in dollars per share)     $ 1.749                  
Class of warrant or right, number of securities called by each warrant or right (in shares)     1                  
Pre-funded, exercise price (in USD per share)     $ 0.001                  
July 2025 Offering | Series B Warrants                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of securities called by warrants or rights (in shares)     14,285,715                  
Warrant exercise price (in dollars per share)     $ 1.75   $ 1.75       $ 1.75      
Sale of stock, price per share (in dollars per share)     $ 1.749                  
2025 Offerings                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Proceeds from sale of stock                     $ 49,000,000.0  
2025 Sales Agreement | Common stock                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Proceeds from issuance of stock                 $ 1,100,000   $ 1,100,000