0001744494 2024-07-25 2024-07-25 0001744494 adn:CommonStockParValue0.0001PerShareMember 2024-07-25 2024-07-25 0001744494 adn:WarrantsToPurchaseOneShareOfCommonStockEachAtExercisePriceOf345.00Member 2024-07-25 2024-07-25 iso4217:USD shares iso4217:USD shares false 0001744494 8-K 2024-07-25 Advent Technologies Holdings, Inc. DE 001-38742 83-0982969 5637 La Ribera St. Suite A Livermore CA 94550 (925) 455-9400 false false false false Common stock, par value $0.0001 per share ADN NASDAQ Warrants to purchase one share of common stock, each at an exercise price of $345.00 ADNWW NASDAQ false