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Significant Customers and Geographic Information (Details Textual) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
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Apr. 30, 2013
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Apr. 30, 2012
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| Total revenue | $ 35,552 | $ 36,626 |
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United States [Member]
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| Total revenue | $ 15,200 | $ 22,400 |
| X | ||||||||||
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- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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