Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2021
Aug. 13, 2021
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2021  
Entity File Number 001-40536  
Entity Registrant Name Acurx Pharmaceuticals, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-3733567  
Entity Address State Or Province NY  
Entity Address, Address Line One 259 Liberty Ave  
Entity Address, City or Town Staten Island  
Entity Address, Postal Zip Code 10305  
City Area Code 917  
Local Phone Number 533-1469  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol ACXP  
Security Exchange Name NASDAQ  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   10,119,208
Entity Central Index Key 0001736243  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q2  
Amendment Flag false