Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jul. 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, 2017	$	6,306
Additions from acquisition		30,840
Balance at July 31, 2017	$	37,146

Summary of Other Intangible Asset Balances

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

	As of
	July 31, 2017							January 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	17,086	$	(2,648	)		14,438	$	7,210	$	(1,393	)		5,817
Customer relationships		3,174		(212	)		2,962		74		(43	)		31
Trademarks		160		(39	)		121		-		-			-
Total other intangible assets	$	20,420	$	(2,899	)	$	17,521	$	7,284	$	(1,436	)	$	5,848

Future Amortization Expense of Other Intangible Assets

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

Year Ending January 31,
2018 (remaining six months)	$	1,817
2019		3,221
2020		3,111
2021		3,092
2022		2,996
Thereafter		3,284
Total	$	17,521