v3.25.2
Document and Entity Information
Jul. 29, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001374690
Document Type 8-K
Document Period End Date Jul. 29, 2025
Entity Registrant Name Larimar Therapeutics, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-36510
Entity Tax Identification Number 20-3857670
Entity Address, Address Line One Three Bala Plaza East
Entity Address, Address Line Two Suite 506
Entity Address, City or Town Bala Cynwyd
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19004
City Area Code (844)
Local Phone Number 511-9056
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.001 per share
Trading Symbol LRMR
Security Exchange Name NASDAQ
Entity Emerging Growth Company false