Goodwill and Intangible Assets (Tables)

3 Months Ended

Apr. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

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
April 30, 2017
Developed technology		2.5	years	$	14,273	$	(14,273	)	$	—
Trade name and other		6.9	years		1,201		(1,061	)		140
Intangibles, net				$	15,474	$	(15,334	)	$	140
January 31, 2017
Developed technology		2.5	years	$	14,273	$	(13,908	)	$	365
Trade name and other		6.9	years		1,201		(1,023	)		178
Intangibles, net				$	15,474	$	(14,931	)	$	543

(1) From the date of acquisition

Schedule of Expected Amortization Expense of Intangible Assets

As of April 30, 2017, expected amortization expense for intangible assets was as follows (in thousands):

Years ending January 31:
Remainder of 2018	$	116
2019		23
2020		1
	$	140