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Note 12 - Commitments (Details Textual) - USD ($) | Jul. 11, 2023 | Jul. 31, 2023 | Oct. 31, 2022
--- | --- | --- | ---
Lessor, Operating Lease, Renewal Term |  | 5 years |
Operating Lease, Right-of-Use Asset |  | $ 11,961,000 | $ 13,480,000
Operating Lease, Liability |  | 15,694,000 | 15,694,000
Operating Lease, Liability, Current |  | 1,418,000 | $ 1,887,000
Finance Lease, Liability, Total |  | 0 |
Lease With Sorento West Properties [Member] |  |  |
Increase in Tenant Improvements | $ 1,000,000 |  |
Other Current Liabilities [Member] |  |  |
Operating Lease, Liability, Current |  | 1,418,000 |
K and K Unlimited [Member] |  |  |
Lessee, Operating Lease, Monthly Rent |  | $ 16,000 |
Minimum [Member] |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 1 year |
Maximum [Member] |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 3 years |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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