v3.26.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Apr. 23, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-33650    
Entity Registrant Name LISATA THERAPEUTICS, INC.    
Entity Central Index Key 0000320017    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 22-2343568    
Entity Address, Address Line One P.O. Box 173    
Entity Address, City or Town Liberty Corner    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07938    
City Area Code 908    
Local Phone Number 842-0100    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol LSTA    
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     $ 23.6
Entity Common Stock, Shares Outstanding   9,106,391  
Documents Incorporated by Reference
None.
    
Document Financial Statement Error Correction [Flag] false