Note 7 - Commitments and Contingencies - Lease Information (Details) - USD ($) |
Jul. 31, 2026 |
Apr. 30, 2026 |
|---|---|---|
| Right-of-use assets, net | $ 239,871 | $ 268,067 |
| Lease liabilities, current | 144,304 | 139,026 |
| Lease liabilities, net of current portion | 137,266 | $ 175,501 |
| Total lease liabilities | $ 281,570 | |
| Weighted average remaining term (in years) (Year) | 1 year 9 months 18 days | |
| Weighted average discount rate | 12.00% |
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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