Goodwill and Intangible Assets (Tables)

9 Months Ended

Oct. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Goodwill Activity

Goodwill activity is reflected in the following table (in thousands):

Balance as of January 31, 2015	$	11,242
Goodwill acquired—Verold		2,644
Goodwill acquired—Other		415
Balance as of October 31, 2015	$	14,301

Schedule of Components of Intangible Assets

Intangible assets consisted of the following (in thousands):

	Weighted Average Useful Life (1)			Gross Value		Accumulated Amortization			Net Carrying Value
October 31, 2015
Developed technology		2.5	years	$	14,273	$	(9,279	)	$	4,994
Trade name and other		6.9	years		1,201		(830	)		371
Intangibles, net				$	15,474	$	(10,109	)	$	5,365
January 31, 2015
Developed technology		2.7	years	$	11,124	$	(5,268	)	$	5,856
Trade name and other		6.9	years		1,201		(714	)		487
Intangibles, net				$	12,325	$	(5,982	)	$	6,343

(1) From the date of acquisition

Schedule of Expected Amortization Expense of Intangible Assets

As of October 31, 2015, expected amortization expense for intangible assets was as follows (in thousands):

Years ending January 31:
Remainder of 2016	$	1,470
2017		3,352
2018		519
2019		23
2020		1
	$	5,365