6. STOCK OPTIONS AND WARRANTS (Details Narrative) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2015 |
Oct. 31, 2014 |
Oct. 31, 2015 |
Oct. 31, 2014 |
|
| Non-cash charges related to vesting of stock options | $ 141,000 | $ 286,000 | $ 0 | $ 0 |
| Unvested Stock Options [Member] | ||||
| Unrecognized compensation expense | 238,000 | $ 238,000 | ||
| Unrecognized compensation expense weighted-average period | 1 year | |||
| Options [Member] | ||||
| Aggregate intrinsic value | $ 0 | $ 0 | ||
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|