Segment Information, Significant Customers and Geographic Information (Tables)

12 Months Ended

Jan. 31, 2018

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,
	2018	2017	2016
Customer A	37%	30%	28%
Customer B	N/A	N/A	10%

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,
	2018					2017					2016
	Amount		%			Amount		%			Amount		%
	(Amounts in thousands, except percentages)
Revenues by customers' geographic locations:
North America (1)	$	32,409		40	%	$	37,570		45	%	$	58,113		55	%
Europe and Middle East		39,177		49	%		38,169		45	%		42,201		39	%
Latin America		7,379		9	%		5,764		7	%		4,707		4	%
Asia Pacific		1,302		2	%		2,292		3	%		1,971		2	%
Total revenues	$	80,267				$	83,795				$	106,992

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

	For the Fiscal Years Ended January 31,
	2018			2017			2016
	(Amounts in thousands, except percentages)
U.S. Revenue	$	27,876		$	30,094		$	46,978
% of total revenue		34.7	%		35.9	%		43.9	%

Long-Lived Assets by Geographic Locations

The following summarizes long-lived assets by geographic locations:

	January 31,
	2018					2017
	Amount		%			Amount		%
	(Amounts in thousands, except percentages)
Long-lived assets by geographic locations (1):
North America	$	9,792		83	%	$	14,729		80	%
Europe and Middle East		1,949		17	%		2,878		16	%
Asia Pacific		48		0	%		817		4	%
Total long-lived assets by geographic location	$	11,789				$	18,424