Discontinued Operations - results of operations (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Jul. 31, 2023 |
Jul. 31, 2022 |
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| Discontinued Operations and Disposal Groups [Abstract] | ||
| Revenues | $ 1,869,219 | $ 1,942,720 |
| Cost of goods sold | 1,385,116 | 1,667,213 |
| Gross margin | 484,103 | 275,507 |
| Operating expenses | ||
| Operations | 209,980 | 161,783 |
| Research and development | 46,249 | 82,806 |
| Sales and marketing | 404,104 | 195,278 |
| General and administrative | 43,606 | 55,161 |
| Total operating expenses | 703,939 | 495,028 |
| Operating loss | (219,836) | (219,521) |
| Other (income) expense | ||
| Interest expense | 22,856 | |
| Other, net | (119) | (124) |
| Other (income) expense | 22,737 | (124) |
| Net loss from discontinued operations | $ (242,573) | $ (219,397) |
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- Definition Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of other income attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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