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Operating leases (Details) - USD ($) | 3 Months Ended
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Jul. 31, 2024 | Jul. 31, 2023
Operating Lease, Expense | $ 90,288 | $ 85,252
Operating Lease Location 1 [Member] |  |
Operating Lease, Expense | 23,340 |
Operating Lease Location 3 [Member] |  |
Operating Lease, Expense | 5,977 |
Operating Lease Location 4 [Member] |  |
Operating Lease, Expense | $ 1,000 |

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-4 + Details
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- Details
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- Details
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- Details
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