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Net Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jul. 31, 2013
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Jul. 31, 2012
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Jul. 31, 2013
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Jul. 31, 2012
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| Earnings Per Share [Abstract] | ||||
| Net income (loss) from continuing operations - basic | $ 343 | $ (8,098) | $ (1,677) | $ (8,385) |
| Net (loss) income from discontinued operations - basic and diluted | (558) | 2,100 | (523) | (17,190) |
| Net loss | $ (215) | $ (5,998) | $ (2,200) | $ (25,575) |
| Weighted average shares used in computing loss per share - basic | 32,584 | 32,629 | 32,547 | 32,585 |
| Dilutive potential common stock equivalents | 681 | 534 | 707 | 507 |
| Weighted average shares used in computing income per share - diluted | 33,265 | 33,163 | 33,254 | 33,092 |
| Net loss per share - basic: | ||||
| Income (loss) from continuing operations | $ 0.01 | $ (0.25) | $ (0.05) | $ (0.25) |
| (Loss) income from discontinued operations | $ (0.02) | $ 0.07 | $ (0.02) | $ (0.53) |
| Net loss per share - basic | $ (0.01) | $ (0.18) | $ (0.07) | $ (0.78) |
| Net loss per share - diluted: | ||||
| Income (loss) from continuing operations | $ 0.01 | $ (0.25) | $ (0.05) | $ (0.25) |
| (Loss) income from discontinued operations | $ (0.02) | $ 0.07 | $ (0.02) | $ (0.53) |
| Net loss per share - diluted | $ (0.01) | $ (0.18) | $ (0.07) | $ (0.78) |
| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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