Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.20.4
Related Party Transactions (Details)
 12 Months Ended
Nov. 05, 2020
shares
Dec. 31, 2020
USD ($)
Director
BoardMember
Officer
shares
Dec. 31, 2019
USD ($)
shares
Apexian Sublicense Agreement [Abstract]      
Common stock issued (in shares) 7,091,878    
Waiver Agreements [Abstract]      
Number of directors signed waiver agreements | Director   6  
Officer and Director [Member]      
Related Party Transaction [Abstract]      
Consulting expense | $   $ 0 $ 34,000
Consulting expense remaining unpaid | $     $ 0
Apexian Sublicense Agreement [Member]      
Apexian Sublicense Agreement [Abstract]      
Common stock issued (in shares)   843,751  
Apexian Sublicense Agreement [Member] | Common Stock [Member]      
Apexian Sublicense Agreement [Abstract]      
Common stock issued (in shares)   843,751  
Pre-Merger Financing [Member]      
Pre-Merger Financing [Abstract]      
Amount invested in pre-merger financing | $   $ 300,000  
Number of converted initial shares received by directors (in shares)     17,729
Number of converted additional shares (in shares)     53,189
Pre-Merger Financing [Member] | Private Ocuphire [Member]      
Pre-Merger Financing [Abstract]      
Number of directors | Director   5  
Pre-Merger Financing [Member] | Rexahn [Member]      
Pre-Merger Financing [Abstract]      
Number of directors | Director   1  
Pre-Merger Financing [Member] | Series A Warrants [Member]      
Pre-Merger Financing [Abstract]      
Number of converted additional shares (in shares)   80,366  
Pre-Merger Financing [Member] | Series B Warrants [Member]      
Pre-Merger Financing [Abstract]      
Number of converted additional shares (in shares)   9,444  
Convertible Notes [Member]      
Convertible Notes with Related Parties [Abstract]      
Aggregate amount of convertible notes issue to board and officers | $   $ 700,000  
Number of board members | BoardMember   4  
Number of officers | Officer   2  
Number of officers also a board member | BoardMember   1