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Income Taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate (Details)	2 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2017	Oct. 31, 2018	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	(34.00%)	(21.00%)	(23.20%)	(34.00%)	(34.00%)
State taxes, net of Federal benefits			0.70%	(1.30%)	(0.20%)
Foreign withholding tax			(0.00%)	0.10%	1.10%
Net operating loss expiration and true-ups			4.60%	(4.60%)	3.30%
Nondeductible expenditures			1.50%	1.90%	0.90%
Change in tax rates			201.60%	(0.80%)	(0.30%)
Other, net			(0.00%)	0.60%	0.20%
Valuation allowance			(191.20%)	38.20%	30.10%
Effective income tax rate			(6.00%)	0.10%	1.10%

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Effective income tax rate reconciliation net operating loss expiration.

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

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

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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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