Intangible Assets (Tables)

12 Months Ended

Jan. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Carrying Amounts of Intangible Assets

The carrying amounts of intangible assets as of January 31, 2020 and 2019 were as follows:

	As of January 31, 2020							As of January 31, 2019
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(in thousands)
In-process research and development	$	4,100	$	—		$	4,100	$	4,100	$	—		$	4,100
Internal-use software license		27,203		(13,477	)		13,726		14,448		(7,612	)		6,836
Total acquired intangible assets	$	31,303	$	(13,477	)	$	17,826	$	18,548	$	(7,612	)	$	10,936

Summary of Expected Annual Amortization Expense Related to Software Licenses

The expected annual amortization expense related to these software licenses as of January 31, 2020 is as follows:

	As of
	January 31, 2020
Fiscal Year	(in thousands)
2021	$	5,789
2022		4,519
2023		3,418
2024		—
2025		—
Thereafter		—
Total future amortization expenses:	$	13,726