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Income Taxes (Details 3) (USD $)
In Thousands, unless otherwise specified |
Jan. 31, 2013
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Jan. 31, 2012
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|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 36,056 | $ 31,314 |
| Tax credit carryforwards | 3,027 | 1,881 |
| Allowances and other | 3,371 | 1,960 |
| Stock options | 4,313 | 859 |
| Depreciation and amortization | 257 | 297 |
| Total deferred tax assets | 47,024 | 36,311 |
| Deferred tax liabilities: | ||
| Depreciation and amortization | (1,469) | (2,427) |
| Total deferred tax liabilities | (1,469) | (2,427) |
| Valuation allowance | $ (45,555) | $ (33,884) |
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from allowances and other. No definition available.
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- Details
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- Details
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- Definition
Amount before allocation of valuation allowances of deferred tax liability to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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- Definition
The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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