Common Stock, Preferred Stock, Warrants, Debt Securities

This prospectus provides a general description of the securities we may offer from time to time and the general manner in which they may be offered. The specific terms of any securities to be offered, and any other information relating to a specific offering including the specific manner in which the securities may be offered, will be set forth in one or more supplements to this prospectus. You should read this prospectus and the related prospectus supplement carefully before you invest in our securities. No person may use this prospectus to offer and sell our securities unless a prospectus supplement accompanies this prospectus.