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Income Taxes - Additional Information (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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| Income Tax Disclosure [Abstract] | ||
| Income tax provision (benefit) | $ 147us-gaap_IncomeTaxExpenseBenefit | $ (234)us-gaap_IncomeTaxExpenseBenefit |
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- Details
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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