v3.25.2
Cover
Sep. 30, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 30, 2025
Entity File Number 001-42403
Entity Registrant Name Alpha Cognition Inc.
Entity Central Index Key 0001655923
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One 1452 Hughes Rd.
Entity Address, Address Line Two Ste 200
Entity Address, City or Town Grapevine
Entity Address, State or Province TX
Entity Address, Postal Zip Code 76051
City Area Code 604
Local Phone Number 564-9244
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares, no par value
Trading Symbol ACOG
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false