Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 12, 2022
Document Information Line Items
Entity Registrant Name	Longeveron Inc.
Trading Symbol	LGVN
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0001721484
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Ex Transition Period	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-38295
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	47-2174146
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	Common Stock, par value $0.001 per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Class A Common stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		5,372,442
Class B Common stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		15,565,062