Quarterly report pursuant to Section 13 or 15(d)

WARRANTS (Tables)

v3.8.0.1
WARRANTS (Tables)
9 Months Ended
Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of transactions involving of warrants

Transactions involving our warrants are summarized as follows:

 

      Number of
shares
    Weighted-
average exercise
price
    Weighted-average
remaining contractual
term (in years)
    Aggregate
intrinsic
value (in
thousands)
 
Outstanding at December 31, 2016       5,203,436     $ 4.56                  
Issued       1,238,479       0.12                  
Expired       (1,930,001 )   $ 1.93                  
Outstanding at September 30, 2017       4,511,914     $ 3.94       2.3     $ 74  
                                   
Exercisable at September 30, 2017       4,506,503     $ 3.94       2.3     $ 74  
Schedule of outstanding warrants to purchase common stock

The following table summarizes outstanding common stock purchase warrants as of September 30, 2017: 

 

    Number of
shares
    Weighted-
average
exercise
price
    Expiration  
Issued to consultants     104,213     $ 7.24       January 2018 through August 2023  
Issued pursuant to 2013 financings     155,819     $ 61.11       December 2017 through August 2018  
Issued pursuant to 2014 financings     96,412     $ 34.50       June 2019  
Issued pursuant to 2015 financings     460,384     $ 8.40       July 2020 through December 2020  
Issued pursuant to 2016 financings     2,800,006     $ 0.08       December 2017 through December 2021  
Issued pursuant to 2017 financings     895,080     $ 0.08       March 2018 through April 2022  
      4,511,914