| http://www.w3.org/ns/prov#value | - Our Amended and Restated Articles of Incorporation authorize our Board of Directors to issue up to 200,000,000 shares of preferred stock, of which 6,329,650 shares were outstanding as of March 31, 2011, in one or more series and to fix the rights, preferences, privileges and restrictions thereof, including dividend rights, dividend rates, conversion rights, voting rights, terms of redemption, liqu
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