Note 2 - Summary of Significant Accounting Policies - Summary of Past Due Financing Receivables (Details) - USD ($)	Nov. 30, 2025	Nov. 30, 2024
Notes Receivable	$ 50,482	$ 51,103
Notes and Lease Receivables, Net of Unamortized Interest	50,482
Financial Asset, Not Past Due [Member]
Notes Receivable	32,256
Notes and Lease Receivables, Net of Unamortized Interest	32,256
Financial Asset, 1 to 29 Days Past Due [Member]
Notes Receivable	1,467
Notes and Lease Receivables, Net of Unamortized Interest	1,467
Financial Asset, 30 to 59 Days Past Due [Member]
Notes Receivable	1,467
Notes and Lease Receivables, Net of Unamortized Interest	1,467
Financial Asset, 60 to 89 Days Past Due [Member]
Notes Receivable	2,217
Notes and Lease Receivables, Net of Unamortized Interest	2,217
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Notes Receivable	13,075
Notes and Lease Receivables, Net of Unamortized Interest	$ 13,075