v3.25.2
Cover
Aug. 06, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 06, 2025
Entity File Number 001-38742
Entity Registrant Name Advent Technologies Holdings, Inc.
Entity Central Index Key 0001744494
Entity Tax Identification Number 83-0982969
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 5637 La Ribera Street
Entity Address, Address Line Two Suite A
Entity Address, City or Town Livermore
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94550
City Area Code (925)
Local Phone Number 455-9400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common stock, par value $0.0001 per share  
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol ADN
Security Exchange Name NASDAQ
Warrants to purchase one share of common stock, each at an exercise price of $345.00  
Title of 12(b) Security Warrants to purchase one share of common stock, each at an exercise price of $345.00
Trading Symbol ADNWW
Security Exchange Name NASDAQ