Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2015
Mar. 10, 2016
Document And Entity Information    
Entity Registrant Name RMG Networks Holding Corp  
Document Type 10-K  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   36,882,041
Entity Public Float   $ 13,800,000
Amendment Flag false  
Entity Central Index Key 0001512074  
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 Dec. 31, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus FY