Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 15, 2017
Jun. 30, 2016
Document And Entity Information      
Entity Registrant Name MRI INTERVENTIONS, INC.    
Entity Central Index Key 0001285550    
Document Type 10-K    
Trading Symbol MRIC    
Document Period End Date Dec. 31, 2016    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 18,952,451
Entity Common Stock, Shares Outstanding   3,622,032  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2016