v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 05, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name LONGEVERON INC.  
Entity Central Index Key 0001721484  
Entity File Number 001-40060  
Entity Tax Identification Number 47-2174146  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Address, Address Line One 1951 NW 7th Avenue  
Entity Address, Address Line Two Suite 520  
Entity Address, City or Town Miami  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33136  
City Area Code (305)  
Local Phone Number 909-0840  
Title of 12(b) Security Class A common stock, par value $0.001 per share  
Trading Symbol LGVN  
Security Exchange Name NASDAQ  
Class A Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   29,697,332
Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,449,005