|
Segment Information, Significant Customers and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
Apr. 30, 2015
|
Apr. 30, 2014
|
| Segment Reporting Information [Line Items] |
|
|
| Total revenues |
$ 23,177us-gaap_SalesRevenueNet
|
$ 24,337us-gaap_SalesRevenueNet
|
| North America [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Total revenues |
13,779us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
|
14,642us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
|
| Europe and Middle East [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Total revenues |
7,566us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember
|
7,697us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember
|
| Latin America [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Total revenues |
1,098us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_LatinAmericaMember
|
1,649us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_LatinAmericaMember
|
| Asia Pacific and Other International Locations [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Total revenues |
$ 734us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaPacificMember
|
$ 349us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaPacificMember
|
| Total Revenue [Member] | Customer Concentration Risk [Member] | North America [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| % of total revenues |
59.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
|
60.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
|
| Total Revenue [Member] | Customer Concentration Risk [Member] | Europe and Middle East [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| % of total revenues |
33.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember
|
32.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EMEAMember
|
| Total Revenue [Member] | Customer Concentration Risk [Member] | Latin America [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| % of total revenues |
5.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_LatinAmericaMember
|
7.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_LatinAmericaMember
|
| Total Revenue [Member] | Customer Concentration Risk [Member] | Asia Pacific and Other International Locations [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| % of total revenues |
3.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaPacificMember
|
1.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaPacificMember
|