6. STOCK OPTIONS AND WARRANTS (Details Narrative) |
3 Months Ended |
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Jul. 31, 2015
USD ($)
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| Unvested Stock Options [Member] | |
| Unrecognized compensation expense | $ 387,000 |
| Unrecognized compensation expense weighted-average period | 1 year |
| Options [Member] | |
| Aggregate intrinsic value | $ 158,000 |
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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 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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