v3.25.2
Document and Entity Information
Aug. 19, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001341235
Document Type 8-K
Document Period End Date Aug. 19, 2025
Entity Registrant Name ALDEYRA THERAPEUTICS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-36332
Entity Tax Identification Number 20-1968197
Entity Address, Address Line One 131 Hartwell Avenue
Entity Address, Address Line Two Suite 320
Entity Address, City or Town Lexington
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02421
City Area Code 781
Local Phone Number 761-4904
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.001 par value per share
Trading Symbol ALDX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false