Note 12 - Equity Incentive Plan - Summary of Stock-based Compensation Expense (Details) - USD ($)	12 Months Ended
Nov. 30, 2021	Nov. 30, 2020
Stock-based compensation expense	$ 265,541	$ 247,645
Treasury share repurchase expense	(30,470)	(30,996)
Stock-based compensation expense net of treasury repurchases	235,071	216,649
Tax deductions from stock-based compensation expense	$ 246,862	$ 176,435

Represents the amount of share-based compensation expense recorded during the period, including treasury share repurchase expense.

No definition available.

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- Definition

Represents the amount of treasury share repurchase expense associated with share-based compensation during the period.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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