General form of registration statement for all companies including face-amount certificate companies

Document And Entity Information

v2.4.1.9
Document And Entity Information (USD $)
9 Months Ended
Sep. 30, 2014
Nov. 11, 2014
Jun. 28, 2013
Document and Entity Information [Abstract]      
Entity Registrant Name MRI INTERVENTIONS, INC.    
Document Type S-1    
Current Fiscal Year End Date --12-31    
Entity Common Stock, Shares Outstanding   58,986,797dei_EntityCommonStockSharesOutstanding  
Entity Public Float     $ 55,360,229dei_EntityPublicFloat
Amendment Flag false    
Entity Central Index Key 0001285550    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Smaller Reporting Company    
Entity Well-known Seasoned Issuer No    
Document Period End Date Sep. 30, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus Q3