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Components of Net Deferred Tax Amounts Recognized in Accompanying Consolidated Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2014
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Apr. 30, 2013
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|---|---|---|
| Deferred tax asset: | ||
| Bad debts | $ 743 | $ 761 |
| Other accruals | 2,165 | 2,158 |
| Charitable contributions | 274 | 216 |
| Stock options | 4,829 | 3,476 |
| State tax credit | 554 | 15 |
| Net operating losses | 58,536 | 45,309 |
| Research and development credit | 3,497 | 3,169 |
| Deferred rent | 671 | 1,045 |
| Deferred revenue | 1,175 | 1,694 |
| Total deferred tax asset | 72,444 | 57,843 |
| Less valuation allowance | (52,734) | (37,902) |
| Net deferred tax assets | 19,710 | 19,941 |
| Deferred tax liability: | ||
| Amortization of intangible assets | (15,190) | (16,756) |
| Depreciation | (4,517) | (3,152) |
| Total deferred tax liability | (19,707) | (19,908) |
| Total net deferred tax assets | $ 3 | $ 33 |
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- Definition
Deferred Tax Assets, Tax Credit Carryforwards, State and Local No definition available.
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- Definition
Amount of deferred tax liability attributable 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 charitable contribution 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 deferred income. 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 after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after 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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- Details
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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 research tax credit 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 share-based compensation. 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 the allowance for doubtful accounts. 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 deferred rent. 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 other reserves and accruals not separately disclosed. 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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- Details
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. 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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