v3.19.3
COVER PAGE - shares
9 Months Ended
Sep. 30, 2019
Nov. 11, 2019
Cover page.    
Entity Registrant Name SALARIUS PHARMACEUTICALS, INC.  
Entity Central Index Key 0001615219  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Document Type 10-Q  
Document Period End Date Sep. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Common Stock, Shares Outstanding   4,068,520
Entity Current Reporting Status Yes  
Entity Shell Company false  
Title of 12(b) Security Common Stock, $ 0.0001 par value  
Trading Symbol SLRX  
Security Exchange Name NASDAQ  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-36812  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 2450 Holcombe Blvd  
Entity Address, Address Line Two Suite J 608  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77021  
Entity Tax Identification Number 46-5087339  
City Area Code 346  
Local Phone Number 772-0346  
Entity Interactive Data Current Yes