Note 11 - Related Party Transactions (Details Textual) - USD ($)	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Revenue from Contract with Customer, Including Assessed Tax	$ 24,499,000	$ 30,281,000
Accrued Liabilities, Current	1,303,718	1,399,232
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	15,193	16,102
Accrued Liabilities, Current	$ 1,153	$ 1,339