Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Aug. 08, 2019
Document And Entity Information    
Entity Registrant Name MRI INTERVENTIONS, INC.  
Entity Central Index Key 0001285550  
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Incorporation, State or Country Code DE  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol MRIC  
Security Exchange Name NYSE  
Entity File Number 001-34822  
Entity Reporting Status Current Yes  
Entity Interactive Data Current Yes  
Entity Small Business true  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   13,998,130
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2019