Note 10 - Related Party Transaction (Details Textual) - USD ($) |
1 Months Ended | 6 Months Ended |
|---|---|---|
Feb. 28, 2025 |
Jul. 31, 2026 |
|
| Sales Agreement [Member] | ||
| Compensation Expense, Sale of Stock | $ 0 | |
| Advisory and Arrangement Services for Growth and Additional Scale Opportunities [Member] | Lucid Capital Markets, LLC [Member] | ||
| Related Party Transaction, Amounts of Transaction | $ 100,000 |