Note 9 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Income Tax Expense (Benefit)	$ 57,500	$ 50,000	$ 96,500	$ 64,200
Effective Income Tax Rate Reconciliation, Percent	28.30%	28.30%	28.30%	28.40%