v3.3.1.900
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2016
May. 04, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name VirnetX Holding Corp  
Entity Central Index Key 0001082324  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   55,663,568
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2016