Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables present information about the Company’s financial assets and liabilities that are measured at fair value and indicates the fair value hierarchy of the valuation inputs used (in thousands) as of:

	January 31, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	203,746					$	203,746
Restricted cash:
Certificates of deposit			1,775				1,775
Total assets	$	203,746	$	1,775	$	—	$	205,521

	January 31, 2018
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	55,702	$	—	$	—	$	55,702
Liabilities:
Convertible preferred stock warrant liability	$	—	$	—	$	1,272	$	1,272

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

Changes in fair value of our level 3 financial liabilities were as follows (in thousands):

Balance as of January 31, 2017	$	477
Increase in fair value of convertible preferred stock warrant liability	795
Balance as of January 31, 2018	1,272
Increase in fair value of convertible preferred stock warrant liability	1,326
Transfer out of Level 3	(2,598		)
Balance as of January 31, 2019	$	—