STOCK OPTIONS AND WARRANTS (Details - Option activity) - Equity Option [Member] |
9 Months Ended |
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Jan. 31, 2024
$ / shares
shares
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |
| Number of options outstanding, beginning | shares | 281,269 |
| Weighted average grant date fair value, beginning | $ / shares | $ 6.94 |
| Number of options, issued | shares | 499,992 |
| Weighted average grant date fair value, issued | $ / shares | $ 2.18 |
| Number of options, expired | shares | (1,467) |
| Weighted average grant date fair value, expired | $ / shares | $ 89.10 |
| Number of options outstanding, ending | shares | 779,794 |
| Weighted average grant date fair value, ending | $ / shares | $ 3.73 |
| Number of options exercisable | shares | 652,294 |
| Weighted average grant date fair value, exercisable | $ / shares | $ 4.04 |
| Number of options vested and expected to vest | shares | 779,794 |
| Weighted average grant date fair value, vested and expected to vest | $ / shares | $ 3.73 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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