Note 2 - Summary of Significant Accounting Policies - Summary of Past Due Financing Receivables (Details) - USD ($)	Aug. 31, 2026	Nov. 30, 2025
Notes Receivable	$ 49,350	$ 50,482
Notes and Lease Receivables, Net of Unamortized Interest	49,350
Financial Asset, Not Past Due [Member]
Notes Receivable	14,876
Notes and Lease Receivables, Net of Unamortized Interest	14,876
Financial Asset, 1 to 29 Days Past Due [Member]
Notes Receivable	831
Notes and Lease Receivables, Net of Unamortized Interest	831
Financial Asset, 30 to 59 Days Past Due [Member]
Notes Receivable	831
Notes and Lease Receivables, Net of Unamortized Interest	831
Financial Asset, 60 to 89 Days Past Due [Member]
Notes Receivable	817
Notes and Lease Receivables, Net of Unamortized Interest	817
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Notes Receivable	31,995
Notes and Lease Receivables, Net of Unamortized Interest	$ 31,995

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ Details