v3.26.3
Cover
Nov. 05, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 05, 2026
Entity File Number 001-37590
Entity Registrant Name AVALO THERAPEUTICS, INC.
Entity Central Index Key 0001534120
Entity Tax Identification Number 45-0705648
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1500 Liberty Ridge Drive
Entity Address, Address Line Two Suite 321
Entity Address, City or Town Wayne
Entity Address, State or Province PA
Entity Address, Postal Zip Code 19087
City Area Code 410
Local Phone Number 522-8707
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol AVTX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false