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STOCK BASED COMPENSATION
6 Months Ended
Jun. 30, 2013
Stock Based Compensation  
STOCK BASED COMPENSATION

NOTE 5. STOCK-BASED COMPENSATION

Stock-based compensation expense was $94,466 and $85,172 for the six months ended June 30, 2013 and 2012, respectively, for options previously awarded by the Company.

Stock option activity for the six months ended June 30, 2013 is summarized as follows:

   
Shares
   
Weighted
Average Exercise Price
   
Weighted
Average Remaining Contractual
Life (in Years)
   
Grant Date
Fair Value
 
Outstanding at December 31, 2012
    2,939,167     $ 5.70       6.50     $ 1,144,024  
Options previously expired
    196,667       1.02       -       34,152  
Options forfeited
    (70,000 )     (1.33 )     -       (35,554 )
Options exercised
    (290,000 )     (.61 )     -       (101,538 )
Outstanding at June 30, 2013
    2,775 ,834     $ 6.01       6.05     $ 1,041,084  
                                 
Vested at June 30, 2013
    2,165,834     $ 7.16       5.52     $ 633,977  
Exercisable at June 30, 2013
    2,165,834     $ 7.16       5.52     $ 633,977  




A summary of the Company’s stock warrant activity and related information for the six months ended June 30, 2013 is as follows:
 
   
Shares
   
Weighted
Average
Exercise Price
   
Weighted
Average Remaining Contractual
Life (in Years)
   
Grant Date
Fair Value
 
Outstanding at December 31, 2012
    1,163,308     $ 12.37       0.40     $ 128,889  
Warrants exercised
    (625,000 )     (1.65 )     -       (93,160 )
Warrants cancelled/forfeited/expired
    (524,975 )     (25.38 )     -       (30,029 )
Warrants at June 30, 2013
    13,333     $ 2.27       2.16     $ 5,700  
                                 
Vested at June 30, 2013
    7,083     $ 2.72       2.07     $ 2,900  
                                 
Exercisable at June 30, 2013
    7,083     $ 2.72       2.07     $ 2,900