Note 2 - Significant Accounting Policies (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
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| Proceeds from Issuance or Sale of Equity | $ 2,984,000 | |
| Repayments of Convertible Debt | 671,450 | |
| Retained Earnings (Accumulated Deficit) | (13,939,775) | $ (13,114,925) |
| Working Capital | (2,023,819) | |
| Long-Term Debt, Gross | 0 | |
| Cash and Cash Equivalent | 1,931,209 | 11,374 |
| Cash, Uninsured Amount | $ 1,681,209 | |
| Share-Based Payment Arrangement, Option [Member] | Maximum [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | 10 years | |
| Convertible Debt [Member] | ||
| Notes Payable, Fair Value Disclosure | $ 957,197 |
| X | ||||||||||
- Definition Represents the amount of working capital. No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value portion of notes payable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Period from grant to expiration date of share-based payment arrangement, 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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