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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Leases (Details) - USD ($) $ in Thousands | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
--- | --- | --- | ---
Leases [Abstract] |  |  |
ROU assets | $ 5,581 | $ 7,706 |
Lease liabilities | $ 5,519 | $ 7,183 |
ASU 2016-02 [Member] |  |  |
Leases [Abstract] |  |  |
ROU assets |  |  | $ 6,500
Lease liabilities |  |  | $ 6,500

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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