Note 6 - Stockholders' Equity - Schedule of Option Activity (Details) - $ / shares |
12 Months Ended | |||
|---|---|---|---|---|
Apr. 27, 2026 |
Oct. 30, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Balance (in shares) | 450,000 | 250,000 | ||
| Balance, weighted average exercise price (in dollars per share) | $ 0.65 | $ 1.1 | ||
| Granted during the period (in shares) | 75,000 | 200,000 | 75,000 | 450,000 |
| Granted during the period, weighted average exercise price (in dollars per share) | $ 0.69 | $ 0.65 | $ 0.69 | $ 0.65 |
| Exercised during the period (in shares) | 0 | 0 | ||
| Exercised during the period, weighted average exercise price (in dollars per share) | $ 0 | $ 0 | ||
| Cancelled during the period (in shares) | 0 | (250,000) | ||
| Cancelled during the period, weighted average exercise price (in dollars per share) | $ 0 | $ 1.1 | ||
| Balance (in shares) | 525,000 | 450,000 | ||
| Balance, weighted average exercise price (in dollars per share) | $ 0.66 | $ 0.65 | ||
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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