v3.25.3
Document And Entity Information
Oct. 21, 2025
Document Information [Line Items]  
Entity, Registrant Name FUTUREFUEL CORP.
Document, Type 8-K
Document, Period End Date Oct. 21, 2025
Entity, Incorporation, State or Country Code DE
Entity, File Number 0-52577
Entity, Tax Identification Number 20-3340900
Entity, Address, Address Line One 2800 Gap Road
Entity, Address, City or Town Batesville
Entity, Address, State or Province AR
Entity, Address, Postal Zip Code 72501
City Area Code 870
Local Phone Number 698-5608
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol FF
Security Exchange Name NYSE
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0001337298