Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Mar. 15, 2022
Jun. 30, 2021
Document and Entity Information [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
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 Public Float     $ 48.1
Entity Common Stock, Shares Outstanding   10,233,202  
Entity Central Index Key 0001736243    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name CohnReznick LLP    
Auditor Firm ID 596    
Auditor Location Parsippany, NJ