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Note 9 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Leases
Operating lease costs	$ 2,755	$ 3,005	$ 5,388	$ 5,864
Cash payments on lease liabilities	2,142	$ 2,351	4,380	$ 4,737
ROU assets	24,156		24,156		$ 25,745
Lease liabilities	$ 25,874		$ 25,874		$ 26,470
Weighted-average remaining lease term (in years) (Year)	4 years 10 months 24 days		4 years 10 months 24 days		5 years 1 month 6 days
Weighted-average discount rate	10.00%		10.00%		10.00%

X

- References

No definition available.

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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-SubTopic 20
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-Section 45
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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Amount of lessee's right to use underlying asset under operating lease.

+ References

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-SubTopic 20
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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