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Basis of Presentation, Liquidity and Risks and Uncertainties (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 18, 2024
USD ($)
$ / shares
shares
Jan. 24, 2024
Jan. 31, 2024
Sep. 30, 2024
USD ($)
$ / shares
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Sep. 30, 2024
USD ($)
$ / shares
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
$ / shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Net loss       $ 25,165,478 $ 32,237,098 $ 30,469,871 $ 33,929,864 $ 35,534,533 $ 40,649,317 $ 87,872,447 $ 110,113,714  
Working capital       67,800,000           67,800,000    
Accumulated deficit       $ 1,710,837,583           $ 1,710,837,583   $ 1,622,965,136
Common stock, par value (in dollars per share) | $ / shares       $ 0.001           $ 0.001   $ 0.001
Cash, cash equivalents, and short-term investments       $ 84,800,000           $ 84,800,000    
Proceeds from issuance of stock                   22,951,867 $ 3,623,462  
Stock split, conversion ratio   0.083333 0.083333                  
Underwritten Registered Direct Offering                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Proceeds from sale of stock $ 33,200,000                      
Underwritten Registered Direct Offering | Common stock                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares) | shares 2,536,258                      
Common stock, par value (in dollars per share) | $ / shares $ 0.001                      
Sale of stock, price per share (in dollars per share) | $ / shares $ 7.693                      
Underwritten Registered Direct Offering | Warrant                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Number of shares issued in transaction (in shares) | shares 2,135,477                      
Sale of stock, price per share (in dollars per share) | $ / shares $ 7.692                      
Warrant exercise price (in dollars per share) | $ / shares $ 0.001                      
2024 Sales Agreement | Common stock                        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                        
Proceeds from issuance of stock                   $ 667,000   $ 5,500,000