Document And Entity Information
Jul. 08, 2022
Document Information [Line Items]  
Entity, Registrant Name FUTUREFUEL CORP.
Document, Type 8-K
Document, Period End Date Jul. 08, 2022
Entity, Incorporation, State or Country Code DE
Entity, File Number 0-52577
Entity, Tax Identification Number 20-3340900
Entity, Address, Address Line One 8235 Forsyth Blvd., Suite 400
Entity, Address, City or Town St. Louis
Entity, Address, State or Province MO
Entity, Address, Postal Zip Code 63105
City Area Code 314
Local Phone Number 854-8352
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