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Income Taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate (Details)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	(34.00%)	(34.00%)	(34.00%)
State taxes, net of Federal benefits	(1.30%)	(0.20%)	(0.10%)
Foreign withholding tax	0.10%	1.10%	0.90%
Net operating loss adjustment and true-ups	(4.60%)	3.30%	4.70%
Nondeductible expenditures	1.90%	0.90%	0.10%
Change in state tax rate	(0.80%)	(0.30%)	1.60%
Other, net	0.60%	0.20%	0.40%
Valuation allowance	38.20%	30.10%	27.30%
Effective income tax rate	0.10%	1.10%	0.90%

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Effective income tax rate reconciliation, net operating loss adjustment.

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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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