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STOCK BASED COMPENSATION
3 Months Ended
Mar. 31, 2013
Stock Based Compensation  
STOCK BASED COMPENSATION
NOTE 5. STOCK-BASED COMPENSATION

Stock-based compensation expense was $48,054 and $44,441 for the three months ended March 31, 2013 and 2012, respectively, for options previously awarded by the Company.
 
Stock option activity for the three months ended March 31, 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 exercised
    (35,000 )     (1.13 )     -       (23,149 )
Outstanding at March 31, 2013
    2,904,167     $ 5.76       6.25     $ 1,120,875  
                                 
Vested at March 31, 2013
    2,255,417     $ 6.87       5.71     $ 692,822  
Exercisable at March 31, 2013
    2,255,417     $ 6.87       5.71     $ 692,822  
                                 

 

A summary of the Company’s stock warrant activity and related information for the three months ended March 31, 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
    (175,000 )     (1.46 )     -       (25,075 )
Warrants cancelled/forfeited/expired
    (40,554 )     (0.10 )     -       (2,433 )
Warrants at March 31, 2013
    947,754     $ 14.91       0.66     $ 101,381  
                                 
Vested at March 31, 2013
    935,254     $ 15.08       0.63     $ 95,781  
                                 
Exercisable at March 31, 2013
    935,254     $ 15.08       0.63     $ 95,781