Investment in Affiliated Entity	12 Months Ended
Investment in Affiliated Entity	Dec. 31, 2013
Related Party Transactions [Abstract]
Investment in Affiliated Entity	Investment in Affiliated Entity The Company’s investment in an affiliated entity represents the Company’s 14.7% and 16.1% ownership interest in the Korean based company, VGX Int’l, as of December 31, 2013 and 2012, respectively. This investment is measured at fair value on a recurring basis. The fair market value of the Company’s interest in VGX Int’l was determined using the closing price of VGX Int’l’s shares of common stock as listed on the Korean Stock Exchange as of December 31, 2013 and 2012.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

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