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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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.

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-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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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.

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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
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Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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