Annual report pursuant to Section 13 and 15(d)

Merger, Former Rexahn Warrants (Details)

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Merger, Former Rexahn Warrants (Details) - Rexahn [Member] - $ / shares
12 Months Ended
Dec. 31, 2023
Nov. 05, 2020
Former Rexahn Warrants and Stock Options [Abstract]    
Number of warrants outstanding (in shares) 58,597 231,433
Exercise price (in dollars per share) $ 38.4  
Average remaining contractual life 1 month 6 days