Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies - Net Loss per Share (Details)

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Significant Accounting Policies - Net Loss per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Nov. 30, 2023
Oct. 31, 2023
Jul. 31, 2023
Feb. 28, 2023
Significant Accounting Policies            
Deemed dividends $ 7.5 $ 0.0        
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 32,156,675 4,064,389        
Class of warrants exercise price   $ 4.33249   $ 1.76    
Number of warrants issued and sold to purchase shares 1,134,000   6,215,354      
Pre-Funded Warrants            
Significant Accounting Policies            
Class of warrants exercise price   0.0001     $ 3.0899  
October 2023 Registered Direct Offering            
Significant Accounting Policies            
Class of warrants exercise price   $ 4.075   $ 1.76   $ 5.00
Number of warrants issued and sold to purchase shares 1,134,000     6,325,354    
Warrants            
Significant Accounting Policies            
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 30,097,671 3,573,492        
Stock options            
Significant Accounting Policies            
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 127,000 27,000        
Unvested restricted stock            
Significant Accounting Policies            
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 1,316,120 378,897        
Unvested restricted stock units            
Significant Accounting Policies            
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 615,884 85,000