NOTE 7 – COMMON STOCK WARRANTS

The Company has determined the estimated value of the warrants granted to non-employees in exchange for services and financing expenses using the Black-Scholes pricing model and the following assumptions: stock price at valuation, $0.21-$0.74; expected term of 3-5 years, exercise price of $0.50-$0.67, a risk free interest rate of 1.15-2.90 percent, a dividend yield of 0 percent and volatility of 132-276 percent.

Between October 29 and December 4, 2009, the Company issued a total of 236,000 warrants for services rendered to the Company.  As a result of this issuance, the Company recognized $88,562 in consulting expense.

In connection with the January 15, 2010 financing, the Company issued 5,583,336 Class H warrants to the Series F warrant holders who exercised their Series F warrants. The Class H Warrants have a 5 year term with a strike price of $0.55.

On April 9, 2010 the Company granted 10,000 warrants as payment for an outstanding accounts payable balance of $3,991.

On June 22, 2010 the Company authorized the issuance of 93,000 warrants for services to the Company.  Of these authorized warrants, 90,000 were issued on June 23, 2010 once the contract for services was finalized. These warrants have a 5 year term with a strike price of $0.50. The remaining 3,000 warrants were issued September 2, 2010. These warrants have a three year term with a strike price of $0.50.  The combined value of these warrants was $41,129 at the time of issuance and the value was expensed as research and development expense.

In connection with the December 30, 2010 financing, the investors received 2,520,000 Class I five year warrants to purchase common stock at an exercise price of $0.55 per share. The exercise price of these warrants contains certain reset provisions which require the fair value of the warrants to be reported as a liability and not in permanent equity. On the date of issuance, the Company calculated the fair value of these warrants to be $528,847. The total cash proceeds of $1,050,000 were first applied to the warrants with the remaining $521,153 being allocated to the common shares and being recorded in additional paid-in capital.

Between May 12 and August 23, 2011, the Company issued a total of 625,000 warrants for services rendered to the Company.  As of December 31, 2011, 300,000 warrants with a fair value of $181,613 had vested. During the three months ended December 31, 2011, the Company recorded an expense of $41,808 to professional fees and $16,764 to research and development expense related to warrants vested during the period.

In connection with the December 16, 2011 financing, the investors received 916,678 Class J five year warrants to purchase common stock at an exercise price of $0.65 per share.  On the date of issuance, the Company calculated the relative fair value of these warrants to be $314,453.

Below is a table summarizing the warrants issued and outstanding as of December 31, 2011.