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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 17, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block] None    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 12,438,864
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    
Auditor Name Marcum llp    
Auditor Firm ID 688    
Auditor Location Hartford, CT    
Auditor Opinion

Opinion on the Financial Statements

We have audited the accompanying balance sheets of Longeveron Inc. (the “Company”) as of December 31, 2024 and 2023, the related statements of operations, stockholders’ equity and cash flows for each of the two years in the period ended December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, based on our audits, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2024, in conformity with accounting principles generally accepted in the United States of America.

    
Class A common stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   13,473,898  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   1,454,005