v3.25.1
Cover - shares
3 Months Ended
Mar. 31, 2025
May 15, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2025  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31  
Entity File Number 001-36856  
Entity Registrant Name HEPION PHARMACEUTICALS, INC.  
Entity Central Index Key 0001583771  
Entity Tax Identification Number 46-2783806  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 55 Madison Ave  
Entity Address, Address Line Two Suite 400- PMB# 4362  
Entity Address, City or Town Morristown  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07960  
City Area Code (732)  
Local Phone Number 902-4000  
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   10,976,276