Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation, Former Rexahn Options (Details)

v3.22.1
Stock-based Compensation, Former Rexahn Options (Details) - Rexahn [Member] - $ / shares
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Former Options [Abstract]    
Number of shares outstanding (in shares) 82 82
Exercise price (in dollars per share) $ 182.40  
Average remaining contractual life 2 months 12 days