Note 14 - Equity Incentive Plan (Details Textual) - USD ($)	12 Months Ended
Nov. 30, 2018	Nov. 30, 2017	Jan. 27, 2011
Allocated Share-based Compensation Expense, Total	$ 197,243	$ 113,039
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	157,529	$ 68,886
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance	0	0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares	0	0
Proceeds from Stock Options Exercised	$ 0	$ 0
Non-qualified Stock Units to Non-employee Directors Annually or Upon Election [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,000		1,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	88,298	53,700
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	22,000	4,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	26,150	22,550
Restricted Stock [Member] \| Employees, Directors, and Consultants [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	51,200
Restricted Stock [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	37,098

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Gross number of share options (or share units) granted during the period.

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Number of non-vested options outstanding.

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