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v3.22.4

Note 8 - Leases (Details Textual) | 12 Months Ended
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Oct. 31, 2022 USD ($) ft² | Oct. 31, 2021 USD ($) | Oct. 31, 2020 USD ($)
Operating Lease, Expense | $ 413,333 | $ 407,235 | $ 396,066
Operating Lease, Weighted Average Remaining Lease Term (Month) | 24 months 18 days |  |
Operating Lease, Weighted Average Discount Rate, Percent | 5.00% |  |
Operating Lease, Payments | $ 432,485 | 407,338 |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability |  | 208,390 |
Finance Lease, Interest Expense | 8,798 | 2,439 |
Finance Lease, Right-of-Use Asset, Amortization | $ 29,497 | 6,145 |
Lessee, Finance Lease, Remaining Lease Term (Month) | 46 months |  |
Lessee, Finance Lease, Discount Rate | 4.75% |  |
Finance Lease, Principal Payments | $ 34,069 | 5,777 | $ (0)
Other Assets [Member] |  |  |
Operating Lease, Right-of-Use Asset | 662,328 | 1,028,639 |
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total | 170,839 | 200,337 |
Accounts Payable and Accrued Liabilities [Member] |  |  |
Operating Lease, Liability, Current | 355,183 | 385,463 |
Other Noncurrent Liabilities [Member] |  |  |
Operating Lease, Liability, Noncurrent | 374,570 | 729,753 |
Finance Lease, Liability, Noncurrent | 130,911 | 166,636 |
Accounts Payable and Accrued Liabilities, Current [Member] |  |  |
Finance Lease, Liability, Current | $ 35,724 | $ 34,069 |
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member] |  |  |
Area of Real Estate Property (Square Foot) | ft² | 34,000 |  |
Operating Lease for Warehouse Space in Roanoke, Virginia [Member] |  |  |
Area of Real Estate Property (Square Foot) | ft² | 36,000 |  |
Operating Lease For Office Equipment [Member] |  |  |
Lessee, Operating Lease, Term of Contract (Month) | 60 months |  |

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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