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Stock Based Compensation	3 Months Ended
Stock Based Compensation	Mar. 31, 2016
Stock Based Compensation [Abstract]
Stock Based Compensation	Note 5 — Stock Based Compensation We have a stock incentive plan for employees and others called the “VirnetX Holding Corporation 2013 Equity Incentive Plan”, or the Plan, which has been approved by our stockholders. The Plan provides for the granting of up to 14,124,469 shares of our common stock, including stock options and stock purchase rights (“RSUs”), and will expire in 2024. As of March 31, 2016, 1,069,552 shares remained available for grant under the Plan. During the three months ending March 31, 2016 there were no grants of options or RSUs. Stock-based compensation expense included in general and administrative expense was $1,234 and $1,692 for the three months ended March 31, 2016 and 2015, respectively. As of March 31, 2016, the unrecognized stock-based and RSUs compensation expense related to non-vested stock options and RSUs was $5,145 and $2,851, respectively, which will be amortized over an estimated weighted average period of approximately 2.85 and 2.07 years, respectively.