Annual report pursuant to Section 13 and 15(d)

Warrants (Tables)

v3.20.1
Warrants (Tables)
12 Months Ended
Dec. 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 years ended December 31, 2019 and 2018 (in thousands):

 

    Warrants Accounted for as:
Equity
    Warrants Accounted for as:
Liabilities
       
    May 2018
Warrants
    April 2013
Warrants
    October 2013
Warrants
    January 2014
Warrants
    Total  
Outstanding, December 31, 2017     -       50       26       133       209  
Exercised     -       -       -       -       -  
Granted     84       -       -       -       84  
Expired     -       (50 )     -       -       (50 )
Outstanding, December 31, 2018     84       -       26       133       243  
Exercised     -       -       -       -       -  
Granted     -       -       -       -       -  
Expired     -       -       -       -       -  
Outstanding, December 31, 2019     84       -       26       133       243  
Expiration date     October 27, 2022               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 December 31, 2019:

 

    October 2013
Warrants
    January 2014
Warrants
 
             
Strike price   $ 15.00     $ 15.00  
Expected dividend yield     0.00 %     0.00 %
Expected term (years)     3.8       4.0  
Cumulative volatility     89.59 %     90.58 %
Risk-free rate     1.67 %     1.68 %

 

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

 

    October 2013
Warrants
    January 2014
Warrants
 
             
Strike price   $ 15.00     $ 15.00  
Expected dividend yield     0.00 %     0.00 %
Expected term (years)     4.8       5.0  
Cumulative volatility     89.64 %     89.76 %
Risk-free rate     2.59 %     2.60 %