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 table presents information about the Company’s financial assets and liabilities that are measured at fair value on a recurring basis using the above input categories (in thousands):



	As of October 31, 2017
	(unaudited)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	115,939	$	—	$	—	$	115,939
Total cash equivalents	$	115,939	$	—	$	—	$	115,939
Short-term investments:
Commercial paper	$	—	$	16,973	$	—	$	16,973
U.S. treasury securities	—		46,513		—		46,513
Corporate debt securities	—		22,557		—		22,557
Total short-term investments	—		86,043		—		86,043
Total cash equivalents and short-term investments	$	115,939	$	86,043	$	—	$	201,982



	As of January 31, 2017
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	10,565	$	—	$	—	$	10,565
Total cash equivalents	$	10,565	$	—	$	—	$	10,565
Short-term investments:
Asset-backed securities	$	—	$	1,538	$	—	$	1,538
Corporate debt securities	—		12,852		—		12,852
Total short-term investments	—		14,390		—		14,390
Total cash equivalents and short-term investments	$	10,565	$	14,390	$	—	$	24,955
Liabilities:
Series B redeemable convertible preferred stock warrant	$	—	$	—	$	304	$	304

Schedule of Changes in Series B Redeemable Convertible Preferred Stock Warrant Fair Value

The change in the fair value of the Series B redeemable convertible preferred stock warrant liability was as follows (in thousands):



Balance at January 31, 2017	$	304
Increase in fair value of warrant through exercise date	103
Reclassification of remaining warrant liability to additional paid-in capital	(407		)
Balance at October 31, 2017	$	—