Quarterly report pursuant to Section 13 or 15(d)

Pre-Merger Financing (Details)

v3.22.2
Pre-Merger Financing (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 29, 2020
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Director
$ / shares
shares
Jun. 30, 2021
USD ($)
Nov. 19, 2020
$ / shares
shares
Nov. 05, 2020
shares
Pre-Merger Financing [Abstract]              
Fair value change of warrant liability and premium conversion derivatives | $   $ 0 $ 0 $ 0 $ (33,829)    
Rexahn [Member]              
Pre-Merger Financing [Abstract]              
Warrants outstanding (in shares) | shares   63,734   63,734     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   5 years      
Warrant issued (in shares) | shares           5,665,838  
Series A Warrants [Member] | Risk-Free Interest Rate [Member]              
Pre-Merger Financing [Abstract]              
Percentage of measurement input   0.004   0.004      
Series A Warrants [Member] | Expected Volatility [Member]              
Pre-Merger Financing [Abstract]              
Percentage of measurement input   0.866   0.866      
Series A Warrants [Member] | Expected Term [Member]              
Pre-Merger Financing [Abstract]              
Expected life       4 years 9 months 18 days      
Series A Warrants [Member] | Expected Dividend Yield Rate [Member]              
Pre-Merger Financing [Abstract]              
Percentage of measurement input   0   0      
Series A Warrants [Member] | Waiver Agreements [Member]              
Pre-Merger Financing [Abstract]              
Fair value change of warrant liability and premium conversion derivatives | $       $ 33,800      
Series B Warrants [Member]              
Pre-Merger Financing [Abstract]              
Exercise price (in dollars per share) | $ / shares   $ 0.0001   $ 0.0001      
Remaining issuable shares (in shares) | shares   0   0      
Warrants outstanding (in shares) | shares   78,701   78,701