Note 9 - Leases - Maturities of Leases Under ASC 840 (Details) - USD ($) $ in Thousands  | 
Oct. 31, 2023  | 
Oct. 31, 2022  | 
|---|---|---|
| Operating Lease, Right-of-Use Asset | $ 24,815 | $ 24,833 | 
| Operating | 4,739 | 4,001 | 
| Operating | 20,458 | 20,984 | 
| Total leased liabilities | 25,372 | 25,263 | 
| Related Party [Member] | ||
| Total leased liabilities | 2,953 | 1,305 | 
| Right of Use Operating Lease Assets [Member] | Related Party [Member] | ||
| Operating Lease, Right-of-Use Asset | 2,972 | 1,299 | 
| Operating Lease Obligations Current Portion [Member] | Related Party [Member] | ||
| Operating | 284 | 132 | 
| Operating Lease Obligation Noncurrent [Member] | Related Party [Member] | ||
| Operating | $ 2,669 | $ 1,174 | 
| X | ||||||||||
- Definition Amount of total operating and finance lease liability. No definition available. 
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Details 
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- Details 
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- Details 
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