Segment Information, Significant Customers and Geographic Information (Tables)

12 Months Ended

Jan. 31, 2015

Segment Reporting [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments

The following table summarizes revenues by significant customers where such revenue exceeded 10% of total revenues for the indicated period:

	For Fiscal Years Ended January 31,
	2015			2014			2013
Customer A		17	%		15	%		18	%
Customer B		15	%		24	%		21	%
Customer C		N/A			10	%		N/A

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

The following summarizes revenues by customers’ geographic locations:

	For the Fiscal Years Ended January 31,
	2015					2014					2013
	Amount		%			Amount		%			Amount		%
	(Amounts in thousands, except percentages)
Revenues by customers’ geographic locations:
North America(1)	$	64,755		56	%	$	77,105		53	%	$	94,155		60	%
Europe and Middle East		39,387		34	%		53,105		36	%		49,824		32	%
Latin America		6,829		6	%		13,156		9	%		11,777		7	%
Asia Pacific		4,464		4	%		2,953		2	%		1,432		1	%
Total revenues	$	115,435				$	146,319				$	157,188

(1) Includes total revenues for the United States for the periods shown as follows:

	For the Fiscal Years Ended January 31,
	2015			2014			2013
	(Amounts in thousands)
U.S. Revenue	$	59,819		$	66,903		$	85,256
% of total revenue		51.8	%		45.7	%		54.2	%

Long-Lived Assets by Geographic Locations

The following summarizes long-lived assets by geographic locations:

	January 31,
	2015					2014
	Amount		%			Amount		%
	(Amounts in thousands, except percentages)
Long-lived assets by geographic locations(1):
North America	$	21,214		74	%	$	20,714		62	%
Europe and Middle East		6,028		22	%		11,097		33	%
Asia Pacific		1,260		4	%		1,461		5	%
Total long-lived assets by geographic location	$	28,502				$	33,272

(1) Excludes marketable securities, long-term and goodwill.