Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants

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Stock Warrants
9 Months Ended
Sep. 30, 2011
Stock Warrants
9.
Stock Warrants

During the first nine months of 2011, certain outside investors exercised 1,578,948 Series CC warrants in exchange for issuance of 1,578,948 shares of our common stock, resulting in gross proceeds of $3,331,580.  Also during the first nine months of 2011, certain outside investors exercised 1,578,948 Series DD warrants in exchange for issuance of 1,578,948 shares of our common stock, resulting in gross proceeds of $3,331,580.  In addition, another outside investor exercised 60,000 Series Z warrants on a cashless basis in exchange for issuance of 46,902 shares of our common stock during the first nine months of 2011.  Also during the first nine months of 2011, an investment banker exercised 23,684 Series EE warrants on a cashless basis in exchange for issuance of 11,754 shares of our common stock.  Finally, during the first nine months of 2011, Mr. Bupp and certain members of his family exercised 810,000 Series V warrants in exchange for issuance of 810,000 shares of our common stock, resulting in gross proceeds of $255,600.

At September 30, 2011, there are 17.2 million warrants outstanding to purchase our common stock.  The warrants are exercisable at prices ranging from $0.31 to $2.375 per share with a weighted average exercise price of $0.53 per share.