Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Apr. 30, 2022 |
Apr. 30, 2021 |
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Income Tax Disclosure [Abstract] | ||
Federal net operating loss carryforwards | $ 40,338 | $ 36,340 |
Foreign net operating loss carryforwards | 2,061 | 4,064 |
State operating loss carryforwards | 968 | 581 |
Federal and New Jersey research and development tax credits | 4,167 | 3,303 |
Stock compensation | 429 | 346 |
Accrued expenses | 79 | 158 |
Other | (445) | 545 |
Net deferred tax assets before valuation allowance | 47,597 | 45,337 |
Valuation allowance | (47,597) | (45,091) |
Deferred tax assets | 246 | |
Other liability | 203 | 246 |
Net deferred tax assets (liabilities) | $ (203) |
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from other liability. No definition available.
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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/disclosureRef
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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/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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- References No definition available.
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