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6. STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2013
Stock-Based Compensation  
STOCK-BASED COMPENSATION

The following summarizes all of our option and warrant transactions for the nine months ended September 30, 2013:

 

Outstanding Options and Warrants         Weighted Average Exercise price Per Common     Weighted Average Remaining Contractual Life     Aggregate Intrinsic  
Under the 2006 Plan and 2000 Plan   Shares     Share     (in years)     Value  
                         
Balance, December 31, 2012     6,231,250     $ 3.58                  
Granted                            
Exercised                            
Canceled or expired     (725,000 )     6.82                  
Balance, September 30, 2013     5,506,250       3.16       1.36     $ 391,013  
Exercisable at September 30, 2013     5,156,250       3.17       1.28       391,013  
                                 
Non-Plan             Weighted Average Exercise price Per Common       Weighted Average Remaining Contractual Life        Aggregate Intrinsic   
Outstanding Warrants     Shares       Share       (in years)       Value  
Balance, December 31, 2012     1,502,898     $ 1.50                  
Granted                            
Exercised     (1,172,898 )     1.12                  
Canceled or expired                            
Balance, September 30, 2013     330,000       2.87       1.35     $  
Exercisable at September 30, 2013     330,000       2.87       1.35