Note 8 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Current Income Tax Expense (Benefit)	$ 79,598	$ 61,349	$ 145,134	$ 122,140
Deferred Income Tax Expense (Benefit)	19,398	3,849	39,134	25,640
Income Tax Expense (Benefit)	$ 60,200	$ 57,500	$ 106,000	$ 96,500
Effective Income Tax Rate Reconciliation, Percent	28.10%	28.30%	28.10%	28.30%