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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jul. 31, 2012
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Jul. 31, 2011
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Jul. 31, 2012
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Jul. 31, 2011
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| Income Taxes | ||||
| Income tax expenses (benefit) | $ 1 | $ 21 | $ (5) | $ 43 |
| Maximum effective tax rate (as a percent) | 1.00% | 1.00% | ||
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- Definition
A maximum ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pre-tax income from continuing operations. No definition available.
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- Details
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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