Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2016
May. 12, 2016
Document And Entity Information    
Entity Registrant Name RMG Networks Holding Corp  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   36,882,041
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 Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1