Quarterly report pursuant to Section 13 or 15(d)

Warrants (Tables)

v3.19.1
Warrants (Tables)
3 Months Ended
Mar. 31, 2019
Warrants and Rights Note Disclosure [Abstract]  
Summary of Warrant Activity

The following is a summary of activity in the number of warrants outstanding to purchase the Company’s common stock for the three months ended March 31, 2019 (in thousands):

 

   

Warrants

Accounted for as: 
Equity

    Warrants 
Accounted for as:
Liabilities
       
    May 2018 
Warrants
    October 2013 Warrants     January 2014 Warrants     Total  
                         
Outstanding, December 31, 2018     84       26       133       243  
Exercised     -       -       -       -  
Granted     -       -       -       -  
Expired     -       -       -       -  
Outstanding, March 31, 2019     84       26       133       243  
Expiration date:     October 27, 2022       October 24, 2023       January 16, 2024          

 

The following is a summary of activity in the number of warrants outstanding to purchase the Company’s common stock for the three months ended March 31, 2018 (in thousands):

 

   

Warrants 
Accounted for as:

Equity

    Warrants 
Accounted for as:
Liabilities
       
    April 2013 
Warrants
    October 2013 Warrants     January 2014 Warrants     Total  
                         
Outstanding, December 31, 2017     50       26       133       209  
Exercised     -       -       -       -  
Granted     -       -       -       -  
Expired     -       -       -       -  
Outstanding, March 31, 2018     50       26       133       209  
Expiration date:     April 25, 2018       October 24, 2023       January 16, 2024          

Schedule of Fair Value of Warrants Classified as Liabilities

The fair value of the warrants classified as liabilities is estimated using the Black-Scholes option-pricing model with the following inputs as of March 31, 2019:

 

    October 2013
Warrants
      January 2014
Warrants
 
               
Strike price   $ 15.00       $ 15.00  
Expected dividend yield     0.00 %       0.00 %
Contractual term (years)     4.6         4.8  
Cumulative volatility     88.49 %       88.65 %
Risk-free rate     2.20 %       2.20 %

  

The fair value of the warrants classified as liabilities is estimated using the Black-Scholes option-pricing model with the following inputs as of March 31, 2018:

 

    October 2013
Warrants
      January 2014
Warrants
 
               
Strike price   $ 15.00       $ 15.00  
Expected dividend yield     0.00 %       0.00 %
Contractual term (years)     5.6         5.8  
Cumulative volatility     86.73 %       87.08 %
Risk-free rate     2.59 %       2.61 %