Fair Value Measurements (Tables)

9 Months Ended

Oct. 31, 2017

Schedule of financial assets and liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value on a recurring basis as of October 31, 2017 and January 31, 2017, and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):



	Fair Value Measurement at October 31, 2017
	Level 1		Level 2		Level 3		Total
Financial Assets:
Cash and cash equivalents:
Money market funds	$	225,756	$	—	$	—	$	225,756
Short-term investments:
U.S. government treasury securities	45,810		—		—		45,810
Total financial assets	$	271,566	$	—	$	—	$	271,566



	Fair Value Measurement at January 31, 2017
	Level 1		Level 2		Level 3		Total
Financial Assets:
Cash and cash equivalents:
Money market funds	$	35,104	$	—	$	—	$	35,104
U.S. government treasury securities	20,000						20,000
Short-term investments:
U.S. government treasury securities	47,195		—		—		47,195
Total financial assets	$	102,299	$	—	$	—	$	102,299
Financial Liability:
Redeemable convertible preferred stock warrant liability	$	—	$	—	$	1,272	$	1,272
Total financial liability	$	—	$	—	$	1,272	$	1,272

Schedule of reconciliation of the redeemable convertible preferred stock warrant liability

The following table presents a reconciliation of the redeemable convertible preferred stock warrant liability measured at fair value using significant unobservable inputs (in thousands):



Fair value, beginning balance, January 31, 2017	$	1,272
Issuance of redeemable convertible preferred stock warrants	—
Conversion of redeemable convertible preferred stock warrant liability into redeemable convertible preferred stock	(1,171		)
Change in fair value of redeemable convertible preferred stock warrant liability	(101		)
Fair value, ending balance, October 31, 2017	$	—