6. STOCK OPTIONS AND WARRANTS (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
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| Non-cash charges related to vesting of stock options | $ 209,000 | $ 0 | $ 500,000 | $ 0 |
| Warrants expired | 5,000,000 | |||
| Investors [Member] | ||||
| Warrants issued for aggregate amount of common stock | 17,000,000 | 17,000,000 | ||
| Proceeds from warrants issued | $ 1,020,000 | |||
| Warrant exercise price | $ .12 | $ .12 | ||
| Aggregate fair value of warrants issued | $ 967,000 | |||
| Unvested Stock Options [Member] | ||||
| Unrecognized compensation expense | 801,000 | $ 801,000 | ||
| Unrecognized compensation expense weighted-average period | 1 year | |||
| Options [Member] | ||||
| Aggregate intrinsic value | $ 30,000 | $ 30,000 | ||
| Aggregate intrinsic value per share | $ 0.065 | |||
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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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- 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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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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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- Definition Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition Other expenses or losses included in net income that result in no cash outflows or inflows in the period and are not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of preferred stock and warrants for common stock issued. No definition available.
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- Details
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- Details
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- Details
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