8. EQUITY COMPENSATION PLANS (Details - Restricted Stock Rights) - Restricted Stock Rights [Member] |
3 Months Ended |
|---|---|
|
Jul. 31, 2018
$ / shares
shares
| |
| Number of Restricted Stock Rights | |
| Number of Restricted Stock Rights Outstanding, Beginning | shares | 0 |
| Granted | shares | 128,050 |
| Vested | shares | 0 |
| Forfeited | shares | 0 |
| Number of Restricted Stock Rights Outstanding, Ending | shares | 128,050 |
| Weighted Average Grant Date Fair Value | |
| Weighted Average Grant Date Fair Value Outstanding, Beginning | $ / shares | |
| Granted | $ / shares | 3.62 |
| Vested | $ / shares | |
| Forfeited | $ / shares | |
| Weighted Average Grant Date Fair Value Outstanding, Ending | $ / shares | $ 3.62 |