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5. STOCK OPTION PLAN AND STOCK-BASED COMPENSATION (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Stock Option Plan And Stock-Based Compensation Tables    
Assumptions for fair value of stock options
    2013     2012  
Risk-free interest rate     0.47% - 1.55 %     0.31% - 1.27 %
Expected dividend yield     0 %     0 %
Volatility factor     85 %     90 %
Expected life of option   3.25 to 6 years     2.90 to 7 years  
 
Activity under Stock Plans
    Shares     Exercise Price per Share     Weighted Average Exercise Price per Share  
Outstanding as of December 31, 2012     7,708,400     $ 0.10-1.85     $ 0.42  
      Granted     708,000       0.42-1.00       0.68  
      Exercised     -       -       -  
      Options forfeited/cancelled     (2,530,000 )     0.50-1.00       0.51  
Outstanding as of September 30, 2013     5,886,400     $ 0.10-1.85     $ 0.42  

The following table summarizes the activity under the Stock Plans.

 

    Shares     Price per Share     Weighted Average Exercise Price  
Outstanding, December 31, 2010     78,400     $ 1.85     $ 1.85  
                         
Granted     1,921,237     0.10 to 0.25       0.13  
Exercised     -       -       -  
Options forfeited/cancelled     (421,237 )     -       0.25  
Outstanding, December 31, 2011     1,578,400     0.10 to 1.85       0.19  
                         
Granted     6,130,000     0.10 to 0.50       0.48  
Exercised     -       -       -  
Options forfeited/cancelled     -       -       -  
                         
Outstanding, December 31, 2012     7,708,400     $ 0.10 to 1.85     $ 0.42  

                    

Information about stock options vested or expected to vest

 

Vested or Expected to Vest     Exercisable Options  
            Weighted     Weighted                 Weighted     Weighted        
            Average     Average                 Average     Average        
            Exercise     Remaining     Aggregate     Number     Exercise     Remaining     Aggregate  
Exercise     Number of     Price Per     Contractual     Intrinsic     of     Price     Contractual     Intrinsic  
Price     Options     Share     Life (Years)     Value     Options     Per Share     Life (Years)     Value  
$ 0.10       1,800,000     $ 0.10       3.13     $ 1,026,000       1,612,500     $ 0.10       3.15     $ 919,125  
  0.42       98,000       0.42       7.26       24,500       -       0.42       -       -  
  0.50       3,330,000       0.50       2.09       566,100       2,371,668       0.50       2.34       403,184  
  0.57       400,000       0.57       4.87       40,000       83,280       0.57       4.87       8,328  
  1.00       180,000       1.00       2.32       -       135,000       1.00       1.63       -  
  1.85       78,400       1.85       2.00       -       78,400       1.85       2.00       -  
$ 0.10-1.85       5,886,400     $ 0.41       2.69     $ 1,656,600       4,280,848     $ 0.39       2.67     $ 1,330,637  

The following table summarizes information about stock options that are vested or expected to vest at December 31, 2012:

 

  Vested  or  Expected  to Vest           Exercisable  Options      
            Weighted   Weighted                 Weighted   Weighted      
            Average   Average                 Average   Average      
            Exercise   Remaining     Aggregate           Exercise   Remaining     Aggregate
  Exercise   Number of     Price Per   Contractual     Intrinsic     Number of     Price   Contractual     Intrinsic
  Price   Options     Share   Life (Years)     Value     Options     Per Share   Life (Years)     Value
$ 0.10   1,800,000   $ 0.10   3.87   $ 576,000     1,306,250   $ 0.10   3.93   $ 418,000
  1.85   78,400     1.85   2.75     -     78,400     1.85   2.75     -
  0.50   5,830,000     0.50   5.13                   -     934,167     0.50   5.95                   -
$ 0.10-1.85   7,708,400   $ 0.42   4.81   $ 576,000     2,318,817   $ 0.32   4.71   $ 418,000