Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Oct. 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 October 31, 2017	$	37,146

Summary of Other Intangible Asset Balances

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

	As of
	October 31, 2017							January 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	17,085	$	(3,385	)		13,700	$	7,210	$	(1,393	)		5,817
Customer relationships		3,174		(376	)		2,798		74		(43	)		31
Trademarks		160		(79	)		81		-		-			-
In-process research and development		650		-			650		-		-			-
Total other intangible assets	$	21,069	$	(3,840	)	$	17,229	$	7,284	$	(1,436	)	$	5,848

Future Amortization Expense of Other Intangible Assets

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

Year Ending January 31,
2018 (remaining three months)	$	870
2019		3,221
2020		3,111
2021		3,092
2022		2,996
Thereafter		3,289
Total	$	16,579