v3.25.2
Cover
Jun. 20, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 20, 2025
Entity File Number 1-10113
Entity Registrant Name ACURA PHARMACEUTICALS, INC.
Entity Central Index Key 0000786947
Entity Tax Identification Number 11-0853640
Entity Incorporation, State or Country Code NY
Entity Address, Address Line One 616 N. North Court
Entity Address, Address Line Two Suite 120
Entity Address, City or Town Palatine
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60067
City Area Code 847
Local Phone Number 705-7709
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value per share
Trading Symbol ACUR
Entity Emerging Growth Company false