6. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price) |
12 Months Ended |
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Apr. 30, 2021
$ / shares
shares
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| $97.50 [Member] | |
| Number of Warrants exercisable | 513 |
| Weighted Average Remaining Contractual Life (Years) | 7 months 21 days |
| $0.12 [Member] | |
| Number of Warrants exercisable | 580 |
| Weighted Average Remaining Contractual Life (Years) | 11 months 4 days |
| $0.11 [Member] | |
| Number of Warrants exercisable | 1,333 |
| Weighted Average Remaining Contractual Life (Years) | 1 year 2 months 27 days |
| $0.065 [Member] | |
| Number of Warrants exercisable | 555 |
| Weighted Average Remaining Contractual Life (Years) | 1 year 26 days |
| Warrants [Member] | |
| Number of Warrants exercisable | 2,981 |
| Weighted Average Remaining Contractual Life (Years) | 1 year 15 days |
| Weighted average exercise price exercisable | $ / shares | $ 59 |
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- Definition Weighted average exercise price warrants exercisable No definition available.
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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/disclosureRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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