Note 12 - Equity Incentive Plan (Detail) (USD $)	12 Months Ended
Nov. 30, 2012	Nov. 30, 2011	Jan. 27, 2011 Non-Qualified Options to Each Director Annually or Upon Election [Member] Director [Member]
Number of Equity Incentive Plans	1
Share-based Compensation	$ 34,519	$ 58,311
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	8,900	96,060
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)			2,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 1.26	$ 1.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	17,640	4,290
Proceeds from Stock Options Exercised	9,110	74,429
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in Shares)	3,000
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited (in Shares)	800
Allocated Share-based Compensation Expense	$ 16,200	$ 0

Number of Equity Incentive Plans

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

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of shares related to Restricted Stock Award forfeited during the period.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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