Note 15 - Income Taxes - Reconciliation of the Statutory Federal Income Tax Rate (Details)	1 Months Ended	12 Months Ended
Dec. 31, 2017	Nov. 30, 2018	Nov. 30, 2017
Statutory federal income tax rate	35.00%	21.00%	34.00%
Valuation allowance on foreign net operating loss		(1.40%)	(7.80%)
Revaluation of deferred tax asset		(7.60%)
Permanent Differences and Other		1.50%	(0.70%)
Total		13.50%	25.50%

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 revisions of previously reported income tax expense.

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