Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity, Pre-Merger Financing, Series A & B Warrants (Details)

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Stockholders' Equity, Pre-Merger Financing, Series A & B Warrants (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jun. 29, 2020
USD ($)
Director
Mar. 31, 2023
shares
Mar. 31, 2024
$ / shares
shares
Jan. 31, 2024
$ / shares
shares
Nov. 19, 2020
$ / shares
shares
Rexahn [Member]          
Pre-Merger Financing [Abstract]          
Exercise price (in dollars per share) | $ / shares       $ 38.4  
Warrants outstanding (in shares)     0 58,597  
Securities Purchase Agreement [Member]          
Pre-Merger Financing [Abstract]          
Number of directors | Director 5        
Securities Purchase Agreement [Member] | Rexahn [Member]          
Pre-Merger Financing [Abstract]          
Number of directors | Director 1        
Securities Purchase Agreement [Member] | Investors [Member]          
Pre-Merger Financing [Abstract]          
Total investment | $ $ 21,150        
Securities Purchase Agreement [Member] | Directors [Member]          
Pre-Merger Financing [Abstract]          
Total investment | $ $ 300        
Series A Warrants [Member]          
Pre-Merger Financing [Abstract]          
Exercise price (in dollars per share) | $ / shares         $ 4.4795
Exercisable term     5 years    
Warrant issued (in shares)         5,665,838
Series B Warrants [Member]          
Pre-Merger Financing [Abstract]          
Exercise price (in dollars per share) | $ / shares     $ 0.0001    
Warrants outstanding (in shares)     0    
Warrants exercised (in shares)   17,869