Quarterly report pursuant to Section 13 or 15(d)

14. Warrants (Tables)

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14. Warrants (Tables)
6 Months Ended
Jun. 30, 2014
Warrants Tables  
Common stock warrants

The following table summarizes information about common stock warrants outstanding at June 30, 2014:

 

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       1.87     $ 3.30       11,364     $ 3.30  
  1.25       29,057       1.59       1.25       29,057       1.25  
  1.10       1,303,300       4.86       1.10       1,303,300       1.10  
  1.00       24,000       2.32       1.00       24,000       1.00  
  0.75       4,240,271       3.94       0.75       4,240,271       0.75  
  0.50       587,750       4.28       0.50       587,750       0.50  
$ 0.50 - $3.30       6,195,742       4.147               6,195,742