Note 1 - Summary of Significant Accounting Policies - Components of Operating Leases (Details) - USD ($)	Nov. 30, 2022	Nov. 30, 2021
Long-term portion of operating lease liabilities	$ 24,016	$ 34,931
Total operating lease liabilities	34,931	47,794
Other Assets [Member]
Operating lease right-of-use assets (other assets)	34,931	47,794
Accrued Expenses [Member]
Current portion of operating lease liabilities (accrued expenses)	$ 10,915	$ 12,863