Fair value measurements (Tables)

6 Months Ended

Jul. 31, 2020

Fair Value Disclosures [Abstract]

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

The following table presents information about the Company's assets and liabilities that are measured at fair value as of July 31, 2020 and indicates the classification of each item within the fair value hierarchy (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of July 31, 2020
Money market mutual funds	$	62,494	$	—	$	—	$	62,494
Total assets	$	62,494	$	—	$	—	$	62,494
Foreign currency derivative contracts	$	—	$	(99)	$	—	$	(99)
Total liabilities	$	—	$	(99)	$	—	$	(99)

The following table presents information about the Company's assets and liabilities that are measured at fair value as of January 31, 2020 and indicates the classification of each item within the fair value hierarchy (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of January 31, 2020
Money market mutual funds	$	86,600	$	—	$	—	$	86,600
Foreign currency derivative contracts	—		58		—		58
Total assets	$	86,600	$	58	$	—	$	86,658