Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Note 14 - Income Taxes (Details Textual) - USD ($)		12 Months Ended
Note 14 - Income Taxes (Details Textual) - USD ($)	Dec. 22, 2017	Dec. 31, 2018	Nov. 30, 2017	Nov. 30, 2016
Deferred Tax Assets, Valuation Allowance				$ 75,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			34.00%	34.00%
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%
Subsequent Event [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Domestic Tax Authority [Member]
Operating Loss Carryforwards			$ 1,800,000
Tax Credit Carryforward, Amount			$ 105,000