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STOCK BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2012
Stock Based Compensation Tables  
Stock option plans

A summary of the activity under the Company’s stock option plans is as follows:

    Options           Weighted-  
Weighted- Average
Average Remaining
Exercise Contractual
Price Term (Years)
Balance at December 31, 2010     1,463,295     $ 0.71       8.1  
Granted     367,000     $ 1.11        
Expired/Cancelled     (107,995)   $ 1.35        
Exercised     (14,587)   $ 0.28        
                         
Balance at December 31, 2011     1,707,713     $ 0.76       7.6  
Granted     1,437,500     $ 0.89        
Expired/Cancelled     (89,068)   $ 0.92        
Exercised     (24,924)      $ 0.29        —   
                         
Balance at December 31, 2012     3,031,221     $ 0.82        7.9  

 

Stock options outstanding and exercisable

The following table summarizes information about employee stock options outstanding and exercisable at December 31, 2012:

 

      Options Outstanding           Options Exercisable  
Exercise Price           Weighted-                    
        Average     Weighted-           Weighted-  
  Number     Remaining Life     Average     Number     Average  
  Outstanding     (Years)     Exercise Price     Exercisable     Exercise Price  
                                 
$ 0.17–0.27       478,221       6.0     $ 0.19       478,721     $ 0.19  
$ 0.54-0.74       809,000       7.7     $ 0.72       534,758     $ 0.71  
$ 0.77-1.15       1,642,000       8.8     $ 0.96       297,324     $ 1.06  
$ 1.45-2.74       102,000       3.0     $ 2.28       102,000     $ 2.28  
Total       3,031,221                       1,412,803          

 

Common stock reserved for future issuance

The following table summarizes the common stock reserved for future issuance as of December 31, 2012:

 

    Common Stock  
       
Convertible preferred stock – Series B     45,384  
Convertible notes payable     171,183  
Stock options outstanding     3,031,221  
Warrants outstanding     18,788,485  
Restricted stock grants     240,000  
Authorized for future grant under stock option plans     955,934  
      23,232,207