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Note 11 - Income Taxes - Effective Tax Rate (Details)			10 Months Ended	12 Months Ended
		Dec. 22, 2017	Oct. 31, 2018	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Computed “expected” tax rate		35.00%	21.00%	21.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit				17.20%	1.00%	65.40%
Permanent differences, net				74.00%	(2.40%)	222.20%
Deferred tax asset valuation allowance impact				(70.80%)	(667.80%)
Tax contingencies				1.00%		0.30%
Adjustments to prior years’ tax accruals(1)	[1]			2.10%		(107.20%)
Effective tax rate				44.50%	(634.20%)	215.70%
[1] For the year ended October 31, 2017, the adjustments to prior years’ tax accruals includes the impact of a federal specified liability loss refund of taxes paid in fiscal year 2002 of (114.8%).

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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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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 nondeductible expenses.

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