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OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK (Tables)
6 Months Ended
Jun. 30, 2013
OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK [Abstract]  
Summary of the Status of the Warrants Outstanding
A summary of the status of the warrants outstanding and exercisable at June 30, 2013 is presented below:

   
Warrants Outstanding and Exercisable
 
Exercise
 Price
  
Number
Outstanding
 
Weighted Average
 Remaining
 Contractual Life
 
Weighted
Average
 Exercise Price
 
$0.75   139,340 
2.54 years
 $0.75 
$0.78   213,402 
2.88 years
 $0.78 
$0.80   124,481 
2.79 years
 $0.80 
$1.00   212,000 
2.38 years
 $1.00 
$1.15   461,340 
8.11 years
 $1.15 
$1.97   5,000,000 
3.72 years
 $1.97 
$2.00   54,367 
3.38 years
 $2.00 
     6,204,930       
Significant Assumptions Relating to the Valuation of Stock Options
The significant assumptions relating to the valuation of the Company's options issued for the six months ended June 30, 2013 and 2012 were as follows:
   
2013
  
2012
 
Dividend Yield
  0%  0%
Expected Life
  
5 - 10 years
   
5 -10 years
 
Expected Volatility
  66 - 83%  90.48%
Risk Free Interest Rate
  0.88%-2.57%  1.74%

Summary of the Status and Changes of the Options Granted Under the Stock Option Plans and Other Agreements
A summary of the status and changes of the options granted under stock option plans and other agreements for the six month period ended June 30, 2013 is as follows:

      
Weighted
 
      
Average
 
      
Exercise
 
   
Shares
  
Price
 
        
Outstanding at December 31, 2012
  15,455,470  $1.04 
Issued
  460,867   1.21 
Exercised
  --   -- 
Forfeited
  (338,222) $1.73 
Outstanding at June 30, 2013
  15,578,115  $1.03 

Summary of the Status of the Options Outstanding
A summary of the status of the options outstanding at June 30, 2013 is presented below:
 
Options Outstanding
  
Options Exercisable
 
  
Weighted
 
Weighted
     
Weighted
 
  
Average
 
Average
     
Average
 
Number
 
Remaining
 
Exercise
  
Number
  
Exercise
 
Outstanding
 
Contractual Life
 
Price
  
Exercisable
  
Price
 
             
 7,358,277 
5.42years
 $0.70   7,358,277  $0.70 
 3,205,134 
2.63 years
 $0.83   3,205,134  $0.83 
 60,000 
1.69 years
 $1.00   60,000  $1.00 
 300,000 
6.07 years
 $1.15   0  $1.15 
 100,000 
4.66 years
 $1.24   100,000  $1.24 
 115,000 
4.98-4.99 years
 $1.35   69,167  $1.35 
 125,000 
4.66 years
 $1.45   125,000  $1.45 
 330,000 
3.96-8.96 years
 $1.55   146,667  $1.55 
 7,645 
4.66 years
 $1.58   7,645  $1.58 
 3,077,059 
9.48-9.53 years
 $1.66   1,574,732  $1.66 
 900,000 
8.21 years
 $1.90   550,000  $1.90 
 15,578,115    $1.03   13,196,622  $0.92