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Warrants (Tables)
12 Months Ended
Dec. 31, 2018
Warrants  
Schedule of fair value of derivative warrants

The following table (in thousands) summarizes the Company’s activity and fair value calculations of its derivative warrants for the year ended December 31, 2018 and 2017:

 

 

 

 

 

    

Warrant Liability

Balance, December 31, 2016

 

$

6,365

Issuance of 5-year preferred stock warrants with financing - July 2017

 

 

351

Change in fair value of warrants

 

 

5,152

Balance, December 31, 2017

 

$

11,868

Change in fair value of warrants

 

 

(1,632)

Reclassification into equity upon initial public offering

 

 

(10,236)

Balance, December 31, 2018

 

$

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