Note 14 - Income Taxes - Deferred Taxes (Details) - USD ($)	Jan. 31, 2024	Oct. 31, 2023	Jan. 31, 2023
Net operating losses	$ 26,895,000		$ 22,425,000
Tax credit carry forwards	944,000		165,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost	766,000		825,000
Allowance for credit losses	107,000		141,000
Inventory	594,000		1,262,000
Accruals not yet deductible for tax purposes	130,000		250,000
Fixed assets	80,000		236,000
Intangible assets	523,000		416,000
Disallowed interest expense	227,000		0
Other	1,033,000		527,000
Gross deferred tax assets	31,299,000		26,247,000
Valuation allowance	(31,177,000)		(26,247,000)
Deferred tax assets	122,000		0
Other	0		29,000
Deferred tax liabilities	0		29,000
Deferred tax liabilities	0		(29,000)
Unrecognized tax benefits	0	$ 0	0
Total deferred tax liabilities, net	0		29,000
Total deferred tax liabilities, net	$ 0		$ (29,000)