v3.25.1
Cover Page
Jun. 03, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 03, 2025
Entity Registrant Name ARQ, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-37822
Entity Tax Identification Number 27-5472457
Entity Address, Address Line One 8051 E. Maplewood Avenue
Entity Address, Address Line Two Suite 210
Entity Address, City or Town Greenwood Village
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80111
City Area Code 720
Local Phone Number 598-3500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.001 per share
Trading Symbol ARQ
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001515156
Amendment Flag false