Note 2 - Stock Incentive Plan and Other Share-based Compensation (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Jan. 31, 2026 |
Jan. 31, 2025 |
|
| Restricted Stock [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period | 6,685 | |
| Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation | 31,787 | |
| Deferred Compensation Liability, Current and Noncurrent | $ 156,722 | |
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 3 years 2 months 12 days | |
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 657,000 | |
| Plan 2017 [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant | 410,000 | |
| Plan 2017 [Member] | Employees, Consultant and Non-employee Directors [Member] | ||
| Share-Based Payment Arrangement, Expense | $ 88,974 | $ 114,364 |