Note 14 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2025	Aug. 31, 2024	Nov. 30, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 6,432,000	$ 5,876,000	$ 17,910,000	$ 18,329,000
Accrued Liabilities, Current	933,965		933,965		$ 1,303,718
Related Party [Member]
Revenue from Contract with Customer, Including Assessed Tax	0		0
Accounts Receivable, after Allowance for Credit Loss	0		0
Costs and Expenses	3,267	3,869	9,796	11,549
Accrued Liabilities, Current	$ 1,094	$ 1,299	$ 1,094	$ 1,299