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Basis of Presentation, Liquidity and Risks and Uncertainties (Details)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 18, 2024
USD ($)
$ / shares
shares
Jan. 24, 2024
Jan. 31, 2024
Jun. 30, 2024
USD ($)
$ / shares
Mar. 31, 2024
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2024
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
$ / shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Net loss       $ 32,237,098 $ 30,469,871 $ 35,534,533 $ 40,649,317 $ 62,706,969 $ 76,183,850  
Working capital       91,200,000       91,200,000    
Accumulated deficit       $ 1,685,672,105       $ 1,685,672,105   $ 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       $ 110,400,000       $ 110,400,000    
Proceeds from issuance of stock         $ 5,200,000     $ 22,284,801 $ 2,915,179 $ 5,500,000
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