Note 7 - Income Taxes (Details Textual) - USD ($) |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Deferred Tax Assets, Valuation Allowance | $ 1,918,000 | $ 1,814,000 |
| Unrecognized Tax Benefits | 0 | $ 0 |
| Income Tax Jurisdiction, Domestic Federal [Member] | ||
| Operating Loss Carryforwards | 3,283,000 | |
| Income Tax Jurisdiction, Domestic State and Local [Member] | ||
| Operating Loss Carryforwards | $ 3,639,000 |