Income Taxes - Components of Net Deferred Tax Amounts Recognized in Accompanying Consolidated Balance Sheet (Details) - USD ($) $ in Thousands |
Apr. 30, 2016 |
Apr. 30, 2015 |
|---|---|---|
| Deferred tax asset: | ||
| Bad debts | $ 872 | $ 1,493 |
| Other accruals | 1,138 | 1,317 |
| Charitable contributions | 509 | 352 |
| Stock options | 5,832 | 5,412 |
| State tax credit | 2,347 | 496 |
| Net operating losses | 64,998 | 58,822 |
| Research and development credit | 6,290 | 6,485 |
| Deferred rent | 2,513 | 273 |
| Deferred revenue | 1,969 | 1,816 |
| FTC | 128 | 0 |
| Total deferred tax asset | 86,596 | 76,466 |
| Less valuation allowance | (73,806) | (66,448) |
| Net deferred tax assets | 12,790 | 10,018 |
| Deferred tax liability: | ||
| Amortization of intangible assets | (3,564) | (4,300) |
| Depreciation | (7,476) | (4,374) |
| Total deferred tax liability | (11,040) | (8,674) |
| Total net deferred tax assets | $ 1,750 | $ 1,344 |
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- Definition Deferred Tax Assets Tax Credit Carry forwards 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 and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. 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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- References No definition available.
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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 allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other. 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 allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. 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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- References No definition available.
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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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