Quarterly report pursuant to Section 13 or 15(d)

13. Warrants (Tables)

v2.4.1.9
13. Warrants (Tables)
3 Months Ended
Mar. 31, 2015
Warrants Tables  
Common stock warrants

The following table summarizes information about common stock warrants outstanding at March 31, 2015:

 

  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       1.12     $ 3.30       11,364     $ 3.30  
    1.25       40,252       1.10       1.25       40,252       1.25  
    1.00       24,000       1.57       1.00       24,000       1.00  
    0.88 (1)     1,303,300       4.11       0.88       1,303,300       0.88  
    0.84 (2)     959,508       4.38       0.84       959,508       0.84  
    0.75       435,271       0.28       0.75       435,271       0.75  
    0.67 (3)     3,805,000       3.53       0.67       3,805,000       0.67  
    0.50       14,077,750       4.34       0.50       14,077,750       0.50  
  $ 0.50 - $3.30       20,656,445       4.33               20,656,445