XML 50 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Fair Value Disclosures [Abstract]    
Schedule of fair value of the warrants

The fair value of the Warrants at September 30, 2017 was determined by using option pricing models with the following assumptions:

 

     October 2016
Warrants
    July 2015
Series A
Warrants
    February
2015
Warrants
    October 2013
Warrants
 

Expected volatility

     142.46     165.32     181.24     227.68

Risk-free interest rates

     1.77     1.59     1.53     1.33

Expected life (in years)

     4.02       2.81       2.38       1.08  

The fair value of the Warrants at December 31, 2016 was determined by using option pricing models assuming the following:

 

     October     June 2016     July 2015     February     October  
     2016     Series C     Series A     2015     2013  
     Warrants     Warrants     Warrants     Warrants     Warrants  

Expected volatility

     95.03     94.19     95.51     95.52     152.70

Risk free interest rates

     1.93     2.01     1.59     1.47     1.20

Expected life (in years)

     4.80       5.50       3.60       3.10       1.80  
Assets and liabilities measured at fair value on a recurring basis

The table below presents the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2017, aggregated by the level in the fair value hierarchy within which those measurements fall in accordance with ASC 820.

 

     Assets and Liabilities Measured at Fair Value on a Recurring Basis  
                          Balance at  
                          September 30,  
(in thousands)    Level 1      Level 2      Level 3      2017  

Liabilities

           

Derivative instrument liabilities

   $      $      $ 16      $ 16  

The table below presents the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2016 and 2015, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

 

     Assets and Liabilities Measured at Fair Value on a Recurring Basis  
                                               Balance at  
     Level 1      Level 2      Level 3      December 31,  
(in thousands)    2016      2015      2016      2015      2016      2015      2016      2015  

Liabilities

                       

Derivative instrument liabilities

   $ —        $ —        $ —        $ —        $ 18,751      $ 3,785      $ 18,751      $ 3,785  
Fair value measurements using significant unobservable inputs

The table below presents the activity within Level 3 of the fair value hierarchy for the nine months ended September 30, 2017:

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

 

(in thousands)    Warrant Liability  

Balance at December 31, 2016

   $ 18,751  

Total change in the liability included in earnings

     (1,227

Extinguishment of convertible note warrant

     (17,489

Fair value of warrants issued

     —    

Fair value of warrants exercised

     (19
  

 

 

 

Balance at September 30, 2017

   $ 16  
  

 

 

 

Fair Value Measurements Using Significant Unobservable

Inputs (Level 3)

 

(in thousands)    Warrant Liability  

Balance at January 1, 2015

   $ 225  

Total change in the liability included in earnings

     (564

Fair value of warrants issued

     4,247  

Fair value of warrants exercised

     (123
  

 

 

 

Balance at December 31, 2015

     3,785  

Total change in the liability included in earnings

     (12,780

Fair value of warrants issued

     28,472  

Fair value of warrants exercised

     (726
  

 

 

 

Balance at December 31, 2016

   $ 18,751