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Note 12 - Income Taxes - Effective Income Tax (Details) - USD ($)	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
“Expected” income taxes (benefit)	$ 1,384,030	$ (1,281,668)	$ (1,191,776)
State income taxes, net of federal benefit	136,875	(139,736)	(12,875)
Meals and Entertainment	1,523	7,317	17,999
Provision to return reconciliation adjustment	(13,721)	350	6,400
Excess tax benefits related to share-based compensation	(9,118)	14,473	(90,603)
Non-deductible officers' compensation	0	0	31,456
Other differences, net	5,646	6,088	3,434
Change in valuation allowance	(479,039)	1,411,217	1,230,160
Total, Net Income Tax Expense (Benefit)	(19,898)	18,041	(5,805)
Paycheck Protection Program CARES Act [Member]
PPP Loan forgiveness	$ (1,046,094)	$ 0	$ 0

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to non-deductible officers' compensation.

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