v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 14, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Securities Act File Number 001-42626  
Entity Registrant Name LIMINATUS PHARMA, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-2710748  
Entity Address, Address Line One 2251 Stern Goodman Street  
Entity Address, Address Line Two Suite E  
Entity Address, City or Town Fullerton  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92833  
City Area Code 213  
Local Phone Number 273-5453  
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 Common Stock, Shares Outstanding   67,160,362
Entity Central Index Key 0001971387  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Common Stock    
Document and Entity Information    
Title of 12(b) Security Common Stock  
Trading Symbol LIMN  
Security Exchange Name NASDAQ  
Warrants    
Document and Entity Information    
Title of 12(b) Security Warrants  
Trading Symbol LIMNW  
Security Exchange Name NASDAQ