Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
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
shares
Nov. 19, 2020
$ / shares
shares
Nov. 05, 2020
shares
Rexahn [Member]        
Pre-Merger Financing [Abstract]        
Warrants outstanding (in shares)   60,713   231,433
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