Note 12 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022	Nov. 30, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 9,008,000	$ 7,275,000	$ 16,903,000	$ 12,888,000
Accrued Liabilities, Current	1,234,662		1,234,662		$ 1,283,204
Related Party [Member]
Revenue from Contract with Customer, Including Assessed Tax	0	0		0
Accounts Receivable, after Allowance for Credit Loss	0	0	0	0
Operating Costs and Expenses	3,893	6,203	8,063	15,552
Accrued Liabilities, Current	$ 1,326	$ 1,423	$ 1,326	$ 1,423