v3.23.1
COVER PAGE - USD ($)
 12 Months Ended
Dec. 31, 2022
Mar. 20, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-36812    
Entity Registrant Name SALARIUS PHARMACEUTICALS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 46-5087339    
Entity Address, Address Line One 2450 Holcombe Blvd    
Entity Address, Address Line Two Suite X    
Entity Address, City or Town Houston    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77021    
City Area Code 832    
Local Phone Number 834-6992    
Title of 12(b) Security Common Stock, par value $ 0.0001    
Trading Symbol SLRX    
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 false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 11,654,060
Entity Common Stock, Shares Outstanding   2,468,032  
Entity Central Index Key 0001615219    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement for its 2023 Annual Meeting of Stockholders, which will be filed with the United States Securities and Exchange Commission within 120 days of December 31, 2022, are incorporated by reference into Part III of this Annual Report on Form 10-K.