Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Sep. 30, 2021
Nov. 12, 2021
Cover [Abstract]    
Document Type 10-Q/A  
Amendment Flag true  
Amendment Description MyMD Pharmaceuticals, Inc. is filing this Amendment No. 1 to its Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, which was originally filed with the Securities and Exchange Commission on November 12, 2021 (the “Original Filing”), in order to amend and replace in its entirety the Original Filing, which had been inadvertently filed prior to completion. This Amendment No. 1 speaks as of the original filing date of the Form 10-Q and does not reflect events that may have occurred subsequent to the original filing date.  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2021  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2021  
Current Fiscal Year End Date --12-31  
Entity File Number 001-36268  
Entity Registrant Name MyMD Pharmaceuticals, Inc.  
Entity Central Index Key 0001321834  
Entity Tax Identification Number 22-2983783  
Entity Incorporation, State or Country Code NJ  
Entity Address, Address Line One 855 N. Wolfe Street  
Entity Address, Address Line Two Suite 623  
Entity Address, City or Town Baltimore  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 21205  
City Area Code (856)  
Local Phone Number 848-8698  
Title of 12(b) Security Common Stock, no par value per share  
Trading Symbol MYMD  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   37,639,912