Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Tables)

Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2017
Fair Value Disclosures [Abstract]  
Summary of Changes in Fair Value of Convertible Preferred Stock Warrant Liability

The changes in the fair value of the convertible preferred stock warrant liability are summarized below (in thousands)




Fair Value

Measurements at

Reporting Date

Using Level III Inputs


Fair value at December 31, 2016





Issuance of convertible preferred stock warrants





Change in fair value recorded in other expense, net





Reclassification of unexercised warrant into

   additional paid-in capital upon the IPO





Fair value at June 30, 2017