Quarterly report pursuant to Section 13 or 15(d)

14. Warrants (Tables)

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14. Warrants (Tables)
9 Months Ended
Sep. 30, 2013
Warrants Tables  
Common stock warrants

The following table summarizes information about common stock warrants outstanding at September 30, 2013:

 

Outstanding     Exercisable  
Exercise Price     Number Outstanding     Weighted Average Remaining Contractual Life (years)     Weighted Average Exercise Price     Number Exercisable     Weighted Average Exercise Price  
$ 3.30       11,364       2.61     $ 3.30       11,364     $ 3.30  
  1.25       13,950       2.00       1.25       13,950       1.25  
  1.00       24,000       3.07       1.00       24,000       1.00  
  0.75       2,971,021       4.40       0.75       2,971,021       0.75  
  0.50       1,330,750       4.95       0.50       1,330,750       0.50  
$ .50 - $3.30       4,351,085       4.58               4,351,085