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Note 12 - Income Taxes (Tables) | 12 Months Ended
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Oct. 31, 2022
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
Fiscal year ended October 31, 2022 |  | Current |  |  | Deferred |  |  | Total |
U.S. Federal |  | $ | — |  |  | $ | — |  |  | $ | — |
State |  |  | 24,693 |  |  |  | — |  |  |  | 24,693 |
Totals |  | $ | 24,693 |  |  | $ | — |  |  | $ | 24,693 |
Fiscal year ended October 31, 2021 |  | Current |  |  | Deferred |  |  | Total |
U.S. Federal |  | $ | — |  |  | $ | — |  |  | $ | — |
State |  |  | (19,898 | ) |  |  | — |  |  |  | (19,898 | )
Totals |  | $ | (19,898 | ) |  | $ | — |  |  | $ | (19,898 | )
Fiscal year ended October 31, 2020 |  | Current |  |  | Deferred |  |  | Total |
U.S. Federal |  | $ | — |  |  | $ | — |  |  | $ | — |
State |  |  | 18,041 |  |  |  | — |  |  |  | 18,041 |
Totals |  | $ | 18,041 |  |  | $ | — |  |  | $ | 18,041 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Years ended October 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
“Expected” income taxes (benefit) |  | $ | (67,704 | ) |  | $ | 1,384,030 |  |  | $ | (1,281,668 | )
Increase (reduction) in income tax expense (benefit) resulting from: |  |  |  |  |  |  |  |  |  |  |  |
State income taxes, net of federal benefit |  |  | 10,217 |  |  |  | 136,875 |  |  |  | (139,736 | )
Provision to return reconciliation adjustment |  |  | 11,516 |  |  |  | (13,721 | ) |  |  | 350 |
Excess tax benefits related to share-based compensation |  |  | (44,562 | ) |  |  | (9,118 | ) |  |  | 14,473 |
PPP Loan forgiveness |  |  | — |  |  |  | (1,046,094 | ) |  |  | — |
Non-deductible life insurance premiums |  |  | 5,527 |  |  |  | 5,527 |  |  |  | 5,526 |
Other differences, net |  |  | 4,338 |  |  |  | 1,642 |  |  |  | 7,879 |
Change in valulation allowance |  |  | 105,361 |  |  |  | (479,039 | ) |  |  | 1,411,217 |
Reported income tax expense (benefit) |  | $ | 24,693 |  |  | $ | (19,898 | ) |  | $ | 18,041 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | October 31, |
|  | 2022 |  |  | 2021 |
Deferred tax assets: |  |  |  |  |  |  |  |
Accounts receivable, due to allowances for doubtful accounts and sales returns |  | $ | 32,600 |  |  | $ | 30,238 |
Inventories, due to allowance for damaged and slow-moving inventories and additional costs inventoried for tax purposes pursuant to the Tax Reform Act of 1986 |  |  | 894,666 |  |  |  | 873,433 |
Liabilities recorded for accrued expenses, deductible for tax purposes when paid |  |  | 90,306 |  |  |  | 187,108 |
Share-based compensation expense |  |  | 72,925 |  |  |  | 59,622 |
Section 163(j) interest |  |  | 101,682 |  |  |  | 18,527 |
Net operating loss carryforwards |  |  | 3,156,960 |  |  |  | 3,114,714 |
Plant and equipment, due to differences in depreciation and capital gain recognition |  |  | 13,822 |  |  |  | — |
Other |  |  | 23,223 |  |  |  | 33,383 |
Total gross deferred tax assets |  |  | 4,386,184 |  |  |  | 4,317,025 |
Valuation allowance |  |  | (4,386,184 | ) |  |  | (4,280,823 | )
Net deferred tax assets |  |  | — |  |  |  | 36,202 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Plant and equipment, due to differences in depreciation and capital gain recognition |  |  | — |  |  |  | (36,202 | )
Total gross deferred tax liabilities |  |  | — |  |  |  | (36,202 | )
Net deferred tax asset |  | $ | — |  |  | $ | — |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | October 31, |
|  | 2022 |  |  | 2021 |
Unrecognized tax benefits balance at beginning of year |  | $ | 28,488 |  |  | $ | 48,941 |
Gross decreases for tax positions of prior years |  |  | — |  |  |  | (20,453 | )
Gross increases for current year tax positions |  |  | — |  |  |  | — |
Unrecognized tax benefits balance at end of year |  | $ | 28,488 |  |  | $ | 28,488 |

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