Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jan. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Goodwill

The following table represents the changes in goodwill (in thousands):

Balance at January 31, 2015	$	174
Additions from acquisitions		1,431
Balance at January 31, 2016		1,605
Additions from acquisitions		4,701
Balance at January 31, 2017	$	6,306

Summary of Other Intangible Asset Balances

The following table summarizes the other intangible asset balances (in thousands):

	As of January 31,
	2017							2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	7,210	$	(1,393	)	$	5,817	$	1,779	$	(478	)	$	1,301
Customer relationships		74		(43	)		31		74		(6	)		68
Total other intangible assets	$	7,284	$	(1,436	)	$	5,848	$	1,853	$	(484	)	$	1,369

Future Amortization Expense of Other Intangible Assets

As of January 31, 2017, the future amortization expense of other intangible assets is as follows (in thousands):

Year Ending January 31,
2018	$	1,600
2019		1,086
2020		1,086
2021		1,086
2022		990
Total	$	5,848