v3.26.1
Note 2 - Summary of Significant Accounting Policies - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
Feb. 28, 2026
Feb. 28, 2025
Equity Securities, FV-NI $ 2,000 $ 919,000
Business Combination, Contingent Consideration, Liability 771,000 1,233,000
Total 773,000 2,152,000
Common Stocks [Member]    
Equity Securities, FV-NI 2,000 919,000
Fair Value, Inputs, Level 1 [Member]    
Business Combination, Contingent Consideration, Liability 0 0
Total 2,000 919,000
Fair Value, Inputs, Level 1 [Member] | Common Stocks [Member]    
Equity Securities, FV-NI 2,000 919,000
Fair Value, Inputs, Level 2 [Member]    
Business Combination, Contingent Consideration, Liability 0 0
Total 0 0
Fair Value, Inputs, Level 2 [Member] | Common Stocks [Member]    
Equity Securities, FV-NI 0 0
Fair Value, Inputs, Level 3 [Member]    
Business Combination, Contingent Consideration, Liability 771,000 1,233,000
Total 771,000 1,233,000
Fair Value, Inputs, Level 3 [Member] | Common Stocks [Member]    
Equity Securities, FV-NI $ 0 $ 0