Note 10 – Operating Leases (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||
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Apr. 30, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Rent Expense [Table Text Block] |
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| Lessee, Operating Lease, Disclosure [Table Text Block] |
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| Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] |
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure for lessee's operating leases. Includes, but is not limited to, description of lessee's operating lease, existence and terms of renewal or purchase options and escalation clauses, restrictions imposed by lease, such as those concerning dividends, additional debt, and further leasing, rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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