Note 9 - Income Taxes - Summary of Net Operating Loss Carryforwards (Details) - Income Tax Jurisdiction, Domestic Federal [Member] - USD ($) |
Feb. 28, 2026 |
Feb. 28, 2025 |
|---|---|---|
| indefinite | $ 3,806,000 | |
| Total | 4,532,000 | $ 6,700,000 |
| Tax Year 2029 [Member] | ||
| 2029 | 216,000 | |
| Tax Year 2037 [Member] | ||
| 2029 | 322,000 | |
| Tax Year 2038 [Member] | ||
| 2029 | $ 188,000 |