v3.26.1
Note 2 - Summary of Significant Accounting Policies - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
May 31, 2026
Feb. 28, 2026
Common Stocks, Marketable Securities $ 0 $ 2,000
Long-term Investment 1,650,000 1,650,000
Contingent Consideration 1,119,000 771,000
Fair Value, Net Asset (Liability) 2,769,000 2,423,000
Common Stocks [Member]    
Common Stocks, Marketable Securities 0 2,000
Fair Value, Inputs, Level 1 [Member]    
Long-term Investment 0 0
Contingent Consideration 0 0
Fair Value, Net Asset (Liability) 0 2,000
Fair Value, Inputs, Level 1 [Member] | Common Stocks [Member]    
Common Stocks, Marketable Securities 0 2,000
Fair Value, Inputs, Level 2 [Member]    
Long-term Investment 0 0
Contingent Consideration 0 0
Fair Value, Net Asset (Liability) 0 0
Fair Value, Inputs, Level 2 [Member] | Common Stocks [Member]    
Common Stocks, Marketable Securities 0 0
Fair Value, Inputs, Level 3 [Member]    
Long-term Investment 1,650,000 1,650,000
Contingent Consideration 1,119,000 771,000
Fair Value, Net Asset (Liability) 2,769,000 2,421,000
Fair Value, Inputs, Level 3 [Member] | Common Stocks [Member]    
Common Stocks, Marketable Securities $ 0 $ 0