v2.4.0.8
Document And Entity Information
3 Months Ended
Mar. 31, 2014
Apr. 30, 2014
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2014  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1  
Trading Symbol ACUR  
Entity Common Stock, Shares Outstanding   48,847,982
Entity Registrant Name ACURA PHARMACEUTICALS, INC  
Entity Central Index Key 0000786947  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer