9. INCOME TAXES (Details Narrative) - USD ($) |
3 Months Ended | |
|---|---|---|
Jul. 31, 2018 |
Jul. 31, 2017 |
|
| Income Tax Disclosure [Abstract] | ||
| Increase in valuation allowance | $ 301,000 | $ 565,000 |
| Income tax expense | $ 0 | 0 |
| U.S. federal income tax rate | 21.00% | |
| Interest and penalties related to unrecognized tax benefits | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of current state, local, and federal tax expense (benefit) pertaining to income (loss) from continuing operations. No definition available.
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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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