Note 14 - Equity Incentive Plan and Stock Based Compensation - Summary of Shares Issued (Details) - shares	3 Months Ended		6 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Shares issued (in shares)	10,000	10,000	97,250	101,167
Unvested shares forfeit upon termination (in shares)			0	(8,333)
Director [Member] | Vesting Immediately [Member]
Shares issued (in shares)	10,000	10,000	15,000	15,000
Employees, Directors, and Consultants [Member] | Awards with Three-year Vesting [Member]
Shares issued (in shares)	0	0	82,250	94,500