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8. WARRANTS (Details) (USD $)
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12 Months Ended | |
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Apr. 30, 2014
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Apr. 30, 2013
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| Warrants exercisable | 57,665,600 | |
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Warrants
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| Warrants outstanding, beginning balance | 59,433,600 | |
| Warrants exercised | (1,768,000) | |
| Warrants issued | 0 | |
| Warrants outstanding, ending balance | 57,665,600 | |
| Warrants exercisable | 57,665,600 | |
| Weighted average exercise price outstanding | $ 0.18 | $ 0.125 |
| Weighted average exercise price exercisable | $ 0.18 | |
| Weighted average fair value per share outstanding, beginning balance | $ 0.064 | |
| Weighted average fair value per share outstanding, ending balance | $ 0.065 | |
| Weighted average fair value per share exercisble | $ 0.065 | |
| Range of Exercise Prices, warrants | $0.075, $0.12, $0.18 and $0.25 | |
| Number outstanding | 57,665,600 | |
| Weighted average contractual life | 3 years 7 months 6 days | |
| Weighted average exercise price | $ 0.18 | $ 0.125 |
| X | ||||||||||
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- Definition
Weighted average exercise price exercisable No definition available.
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| X | ||||||||||
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- Definition
Range of Exercise Prices, warrants No definition available.
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| X | ||||||||||
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- Definition
Weighted average fair value per share exercisble No definition available.
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| X | ||||||||||
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- Definition
Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of non-option equity instruments exercised by participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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