Income Taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate (Details)	2 Months Ended	12 Months Ended
Dec. 31, 2017	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	(34.00%)	(21.00%)	(21.00%)	(23.20%)
State taxes, net of Federal benefits		(1.10%)	(2.90%)	0.70%
Foreign withholding tax		(0.00%)	0.10%	(0.00%)
Net operating loss expiration, impairment and true-ups		129.20%	(1.30%)	4.60%
Nondeductible expenditures		1.40%	0.20%	1.50%
Change in tax rates		(0.60%)	(0.10%)	201.60%
Fair value adjustment on warrants		8.70%
Other, net		1.10%	(0.30%)	(0.00%)
Deferred only adjustment		4.40%		(0.00%)
Valuation allowance		(122.10%)	25.40%	(191.20%)
Effective income tax rate			0.10%	(6.00%)

Effective Income Tax Rate Reconciliation, Deferred only adjustment, Percent

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Effective income tax rate reconciliation net operating loss expiration impairment and true ups.

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Effective Income Tax Rate Reconciliation, Warrant Fair Value Adjustment.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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