Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
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Aug. 31, 2015 |
Jul. 31, 2015 |
Jul. 31, 2014 |
Jul. 31, 2015 |
Jul. 31, 2014 |
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| Income Taxes Disclosure [Line Items] | |||||
| Income tax provision (benefit) | $ 78 | $ 167 | $ 225 | $ (67) | |
| Federal [Member] | |||||
| Income Taxes Disclosure [Line Items] | |||||
| Net operating loss carryforwards | 37,100 | 37,100 | |||
| Proposed operating loss carryforwards | $ 34,200 | $ 34,200 | |||
| Subsequent Event [Member] | |||||
| Income Taxes Disclosure [Line Items] | |||||
| Additional tax expense due to proposed adjustments | $ 200 | ||||
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- Definition Income Taxes Disclosure [Line Items] No definition available.
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- Definition Proposed operating loss carryforwards. No definition available.
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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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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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