Note 14 - Income Taxes (Details Textual) - USD ($)	Jan. 31, 2024	Oct. 31, 2023	Jan. 31, 2023
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	$ 0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost	766,000		$ 825,000
Deferred Tax Assets, Valuation Allowance	31,177,000		26,247,000
Tax Credit Carryforward, Amount	944,000
Unrecognized Tax Benefits, Ending Balance	$ 0	$ 0	$ 0