v3.25.2
Cover
Jun. 17, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 17, 2025
Entity File Number 001-36332
Entity Registrant Name ALDEYRA THERAPEUTICS, INC.
Entity Central Index Key 0001341235
Entity Tax Identification Number 20-1968197
Entity Incorporation, State or Country Code DE
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
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol ALDX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false