Document And Entity Information - shares
6 Months Ended
Jun. 30, 2017
Aug. 03, 2017
Document And Entity Information    
Entity Registrant Name RMG Networks Holding Corp  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Central Index Key 0001512074  
Entity Current Reporting Status Yes  
Entity Filer Category Smaller Reporting Company  
Document Period End Date Jun. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Entity Common Stock, Shares Outstanding   44,623,949