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STOCK PURCHASE WARRANTS
9 Months Ended
Sep. 30, 2012
Notes to Financial Statements  
Note 6 - STOCK PURCHASE WARRANTS

Common Stock Warrants

 

The following is a summary of all common stock warrant activity through September 30, 2012:

 

   Number of Shares  Exercise Price  Weighted Average
   Under Warrants  Per Share  Exercise Price
          
Warrants issued and exercisable at December 31, 2010   638,217    $    0.95- $2.00   $1.11 
Warrants Granted   4,238,764    $    0.83 - $1.33   $1.23 
Warrants Expired   (41,250)       $2.00   $2.00 
                     
Warrants issued and exercisable at December 31, 2011   4,843,531    $    0.95 - $2.00   $1.21 
Warrants Granted   437,500    $                  0.50 -0.83   $0.62 
 Warrants Expired   (37,500)       $2.00   $2.00 
Warrants issued and exercisable at September 30, 2012   5,243,531    $    0.50 - $2.00   $1.16 

 

During the nine months ended September 30, 2012, the Company issued an aggregate of 160,000 common stock warrants to non-employees for consulting services.  The fair value of the warrants, determined using a Black-Scholes option pricing model, was approximately $73,000 and is included in professional fees in the accompanying condensed consolidated statements of operations for the nine months ended September 30, 2012.

 

In June 2012, the Company exchanged 277,500 common stock options for 277,500 common stock warrants with the same terms resulting in no incremental fair value to be recorded by the Company.

 

The following represents additional information related to common stock warrants outstanding and exercisable at September 30, 2012:

 

Exercise Price  Number of Shares
Under Warrants
  Weighted Average Remaining Contract
Life in Years
  Weighted Average
Exercise Price
$0.50    277,500    1.55   $0.50 
$0.83    1,021,028    2.29   $0.83 
$0.95    86,250    0.44   $0.95 
$1.00    426,417    6.60   $1.00 
$1.33    3,432,336    2.75   $1.33 
      5,243,531    2.99   $1.16 

 

The Company used the Black-Scholes option price calculation to value the warrants granted in 2012 using the following weighted average assumptions: risk-free rate of 2.26%, volatility of 78.53%, and contractual term and exercise price of warrants granted. See Note 1, Summary of Significant Accounting Policies, “Accounting for Share Based Payments.”