Segment Information, Significant Customers and Geographic Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Apr. 30, 2015
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Apr. 30, 2014
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Segment Reporting Information [Line Items] | ||
Total revenues | $ 23,177us-gaap_SalesRevenueNet | $ 24,337us-gaap_SalesRevenueNet |
United States Revenue [Member] | ||
Segment Reporting Information [Line Items] | ||
Total revenues |
$ 11,935us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US |
$ 13,468us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US |
Customer Concentration Risk [Member] | United States Revenue [Member] | Total Revenue [Member] | ||
Segment Reporting Information [Line Items] | ||
% of total revenues |
51.50%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_StatementGeographicalAxis = country_US |
55.30%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_StatementGeographicalAxis = country_US |
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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