Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2017

Summary of Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis as of January 31, 2017 and 2016 (in thousands):

January 31, 2017	Level 1		Level 2		Level 3		Total
Financial assets:
Money market funds⁽¹⁾	$	178,245	$	—	$	—	$	178,245
January 31, 2016
Financial assets:
Money market funds⁽¹⁾	$	50,044	$	—	$	—	$	50,044
Financial liabilities:
Preferred stock warrant liability⁽²⁾	$	—	$	—	$	247	$	247

(1)

Included in cash and cash equivalents

(2)

Included in accrued expenses and other current liabilities and other liabilities

Change in Fair Value of Preferred Stock Warrant Liability

The following table represents the change in the fair value of the preferred stock warrant liability (in thousands):

Balance at January 31, 2015	$	332
Exercise of convertible preferred stock warrant		(275	)
Change in fair value		190
Balance at January 31, 2016		247
Change in fair value		627
Exercise of convertible preferred stock warrant		(874	)
Balance at January 31, 2017	$	—