La Jolla Cove Investors, Inc. We entered into the LJCI Agreement with LJCI on February 28, 2007 pursuant to which we agreed to sell the Debentures. In addition, we issued to LJCI a warrant to purchase up to 10 million shares of our common stock at an exercise price of $1.09 per share, exercisable over the next five years according to a schedule described in a letter agreement dated February 28, 2007. In August 2011, we and LJCI amended the Debenture and the LJCI Warrant to extend the maturity date of the Debenture and the expiration date of the LJCI Warrant to February 28, 2014. On February 20, 2014, we and LJCI amended the Debenture and the LJCI Warrant to further extend the maturity date of the Debenture and the expiration date of the LJCI Warrant to February 28, 2016.
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