0001541157 aktx:OrdinarySharesParValue0.0001PerShareMember 2025-06-30 2025-06-30 0001541157 2025-06-30 2025-06-30 0001541157 dei:AdrMember 2025-06-30 2025-06-30 false true 0001541157 8-K 2025-06-30 Akari Therapeutics, Plc X0 001-36288 98-1034922 22 Boston Wharf Road FL 7 Boston MA 02210 929 274-7510 false false false false American Depositary Shares, each representing 2,000 Ordinary Shares AKTX NASDAQ Ordinary Shares, par value $0.0001 per share* false