Note 5 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
Nov. 30, 2019	Nov. 30, 2018
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	7.11%
Operating Loss Carryforwards, Total	$ 1,691,000
Deferred Tax Assets, Valuation Allowance, Total	$ 28,500	$ 115,824
Open Tax Year	2016 2017 2018

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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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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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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