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INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
Intangible assets, net [Abstract] |  |  |
Gross Amount | $ 7,703 | $ 68,172 |
Accumulated Amortization | (6,929) | (64,735) |
Net Amount | 774 | 3,437 |
Intangible Asset [Abstract] |  |  |
Amortization of intangible assets | 2,861 | 4,643 | $ 4,641
Intangible asset amortization over the next five years [Abstract] |  |  |
2022 | 269 |  |
2023 | 171 |  |
2024 | 136 |  |
2025 | 136 |  |
2026 | 62 |  |
Thereafter | 0 |  |
Technology License Agreement [Member] |  |  |
Intangible assets, net [Abstract] |  |  |
Gross Amount |  | 59,616 |
Accumulated Amortization |  | (57,298) |
Net Amount |  | 2,318 |
Customer Relationships [Member] |  |  |
Intangible assets, net [Abstract] |  |  |
Gross Amount | 1,647 | 2,060 |
Accumulated Amortization | (1,041) | (1,245) |
Net Amount | 606 | 815 |
Software and Other [Member] |  |  |
Intangible assets, net [Abstract] |  |  |
Gross Amount | 6,056 | 6,496 |
Accumulated Amortization | (5,888) | (6,192) |
Net Amount | $ 168 | $ 304 |
Intangible Asset [Abstract] |  |  |
Weighted-average amortization period for intangible assets acquired during the year | 3 years | 3 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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