Preferred Stock

3 Months Ended

Mar. 31, 2012

Preferred Stock/Stockholders' Equity [Abstract]

Preferred Stock

7. Preferred Stock

Preferred Stock

As of March 31, 2012, the Company’s Board of Directors is authorized to issue 8,000,000 shares of preferred stock, with a par value of $0.0001 per share, in one or more series, of which 11,000 are designated for Series C-1² Preferred, 22,000 are designated Series C-2² Preferred, 5,134 are designated Series D-1² Preferred, and 10,868 are designated Series D-2² Preferred. As of March 31, 2012, 5,023 shares of Series C-1² Preferred Stock and 3,607 shares of Series D-1² were issued and outstanding. As of December 31, 2011, 5,043 shares of Series C-1² Preferred Stock were issued and outstanding.