Note 2 - Summary of Significant Accounting Policies - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)	Nov. 30, 2024	Feb. 29, 2024
Common Stocks, Marketable Securities	$ 1,023,000	$ 904,000
Fair Value, Inputs, Level 1 [Member]
Common Stocks, Marketable Securities	1,023,000	904,000
Fair Value, Inputs, Level 2 [Member]
Common Stocks, Marketable Securities	0	0
Fair Value, Inputs, Level 3 [Member]
Common Stocks, Marketable Securities	$ 0	$ 0