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STOCK OPTION PLAN AND WARRANTS (Tables)
9 Months Ended
Sep. 30, 2012
STOCK OPTION PLAN AND WARRANTS [Abstract]  
Summary of the status of stock options
A summary of the status of stock options as of September 30, 2012 and December 31, 2011 is as follows:
 
 
9/30/2012
 
 
12/31/2011
 
 
 
 
 
Weighted
 
 
 
 
 
Weighted
 
 
Number
 
 
Average
 
 
Number
 
 
Average
 
 
of
 
 
Exercise
 
 
of
 
 
Exercise
 
 
Shares
 
 
Price
 
 
Shares
 
 
Price
 
Outstanding at beginning of year
 
 
5,645,202
 
 
$
1.10
 
 
 
3,484,833
 
 
$
0.66
 
Granted
 
 
2,196,775
 
 
$
0.66
 
 
 
2,298,702
 
 
$
1.21
 
Exercised
 
 
(44,600
)
 
$
1.19
 
 
 
-
 
 
$
-
 
Expired and Cancelled
 
 
(40,000
)
 
$
0.86
 
 
 
(138,333
)
 
$
2.18
 
Outstanding at end of period
 
 
7,757,377
 
 
$
0.98
 
 
 
5,645,202
 
 
$
1.10
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at end of period
 
 
6,999,953
 
 
$
1.02
 
 
 
5,317,003
 
 
$
1.13
 
 
Stock option valuation assumptions
The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option valuation model.  This model uses the assumptions listed in the table below.  Expected volatilities are based on the historical volatility of the Company's stock.  The risk-free rate for periods within the expected life of the option is based on the U.S. Treasury yield curve in effect at the time of grant.
 
 
9/30/2012
 
Weighted average fair value per option granted
 
$
0.38
 
Risk-free interest rate
 
 
0.34- .42
%
Expected dividend yield
 
 
0.00
%
Expected lives
 
 
2.5996
 
Expected volatility
 
 
98-103
%
 
Summary of stock options outstanding
Stock options outstanding at September 30, 2012 are as follows:
 
 
 
 
 
 
 
Remaining
 
 
Average
 
 
 
 
 
 
 
Options
 
 
Contractual
 
 
Exercise
 
 
Options
 
Range of Exercise Prices
 
 
Outstanding
 
 
Life
 
 
Price
 
 
Exercisable
 
$
0.01-$1.50
 
 
 
7,547,377
 
 
 
3.3
 
 
$
1.17
 
 
 
6,789,953
 
$
1.51-$3.00
 
 
 
210,000
 
 
 
2.4
 
 
$
1.49
 
 
 
210,000
 
 
 
 
 
 
7,757,377
 
 
 
3.5
 
 
 
0.99
 
 
 
6,999,953
 
 
Summary of warrant activity
As of September 30, 2012, the Company has warrants outstanding to purchase 23,604,781, shares of the Company's common stock, at prices ranging from $0.01 to $1.50 per share.  These warrants expire at various dates through February 2017.    There were 650,000 warrants issued in
 
the nine month period ended September 30, 2012.  The summary of the status of the warrants issued by the Company as of September 30, 2012 and December 31, 2011 are as follows:
 
 
9/30/2012
 
 
12/31/2011
 
 
Number of Shares
 
 
Weighted Average Exercise Price
 
 
Number of Shares
 
 
Weighted Average Exercise Price
 
Outstanding at beginning of year
 
 
23,736,108
 
 
$
1.55
 
 
 
18,779,753
 
 
$
1.59
 
Granted
 
 
650,000
 
 
$
0.83
 
 
 
5,130,046
 
 
$
1.66
 
Exercised
 
 
(390,923
)
 
$
0.42
 
 
 
(56,489
)
 
$
0.06
 
Cashless Exercises
 
 
(206,511
)
 
$
0.86
 
 
 
-
 
 
 
 
 
Expired and Cancelled
 
 
(183,893
)
 
$
14.73
 
 
 
(117,202
)
 
$
13.72
 
 
 
23,604,781
 
 
 
 
 
 
 
23,736,108
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding, end of period
 
 
23,604,781
 
 
$
1.45
 
 
 
23,736,108
 
 
$
1.55
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at end of period
 
 
23,604,781
 
 
$
1.45
 
 
 
23,736,108
 
 
$
1.55