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Convertible Preferred Stock Warrants (Tables)
9 Months Ended
Sep. 30, 2019
Warrants and Rights Note Disclosure [Abstract]  
Schedule of preferred stock warrant liabilities

 

 

 

 

 

 

Rollforward of warrants and fair value

    

Warrants

    

Liability

 

 

 

 

(in thousands)

Total warrants and liability as of December 31, 2018

 

2,019,245

 

$

4,589

Revaluation of remaining warrants

 

  

 

 

12,419

Total warrants and liability as of September 30, 2019

 

2,019,245

 

$

17,008