12. INCOME TAXES (Details - Deferred tax assets) - USD ($) |
Apr. 30, 2017 |
Apr. 30, 2016 |
|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 13,679,701 | $ 14,267,224 |
| Stock compensation | 2,638,261 | 2,376,826 |
| Other | 82,498 | 29,682 |
| Total deferred tax assets | 16,400,460 | 16,673,732 |
| Total deferred tax liabilities | 0 | 0 |
| Net deferred tax assets | 16,400,460 | 16,673,732 |
| Valuation allowance | (16,400,460) | (16,673,732) |
| Net deferred tax assets | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- 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/2003/role/presentationRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as current. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|