Income Tax - Schedule of Net Deferred Tax Asset (Details) - USD ($) |
Apr. 30, 2019 |
Apr. 30, 2018 |
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Income Tax Disclosure [Abstract] | ||
Net operating loss carryover | $ 3,777,000 | $ 1,905,000 |
Stock-based compensation | 1,753,000 | 1,580,000 |
Capitalized exploration costs | 341,000 | 163,145 |
Accrued remediation costs | 3,000 | |
Alternative minimum tax credit carryover | 438,000 | 438,000 |
Subtotal | 6,312,000 | 4,086,145 |
Less: valuation allowance | (6,312,000) | (3,648,000) |
Net deferred tax asset | $ 438,145 |
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://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 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 alternative minimum 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://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 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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from research and development costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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