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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, 2014
|
Apr. 30, 2013
|
|
| Segment Reporting Information [Line Items] | ||
| Total revenues | $ 24,337 | $ 35,552 |
|
North America [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total revenues | 14,642 | 16,603 |
|
Europe and Middle East [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total revenues | 7,697 | 14,938 |
|
Latin America [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total revenues | 1,649 | 3,127 |
|
Asia Pacific and Other International Locations [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| Total revenues | $ 349 | $ 884 |
|
Sales [Member] | North America [Member]
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||
| Segment Reporting Information [Line Items] | ||
| % of total revenue | 60.00% | 47.00% |
|
Sales [Member] | Europe and Middle East [Member]
|
||
| Segment Reporting Information [Line Items] | ||
| % of total revenue | 32.00% | 42.00% |
|
Sales [Member] | Latin America [Member]
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||
| Segment Reporting Information [Line Items] | ||
| % of total revenue | 7.00% | 9.00% |
|
Sales [Member] | Asia Pacific and Other International Locations [Member]
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||
| Segment Reporting Information [Line Items] | ||
| % of total revenue | 1.00% | 2.00% |