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v3.19.3.a.u2

Note 8 - Leases (Details Textual) | 12 Months Ended |  |
--- | --- | --- | ---
Oct. 31, 2019 USD ($) ft² | Oct. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Jan. 24, 2020 USD ($) | Apr. 30, 2015 ft²
Operating Leases, Rent Expense, Net, Total | $ 403,097 | $ 422,102 | $ 403,178 |  |
Subsequent Event [Member] |  |  |  |  |
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months |  |  |  | $ 214,487 |
Lessee, Operating Lease, Liability, Payments, Due Year Two |  |  |  | 239,884 |
Lessee, Operating Lease, Liability, Payments, Due Year Three |  |  |  | 246,481 |
Lessee, Operating Lease, Liability, Payments, Due Year Four |  |  |  | 253,259 |
Lessee, Operating Lease, Liability, Payments, Due Year Five |  |  |  | 260,224 |
Lessee, Operating Lease, Liability, Payments, Due after Year Five |  |  |  | $ 21,734 |
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member] |  |  |  |  |
Area of Real Estate Property | ft² | 34,000 |  |  |  |
Operating Lease for Warehouse Space in Roanoke, Virginia [Member] |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  | 36,000
Lessee, Operating Lease, Term of Contract |  |  |  |  | 12 months
Lease Term, Extension, Term | 1 year |  |  |  |
Lease Term, Extension, Remaining Number | 1 |  |  |  |

X
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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