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Schedule of significant accounting policies - fair values of financial assets of the company (Details) - USD ($)
Aug. 31, 2025
Feb. 28, 2025
Platform Operator, Crypto Asset [Line Items]    
Marketable Securities $ 6,736,469 $ 6,727,678
Fair Value, Inputs, Level 1 [Member]    
Platform Operator, Crypto Asset [Line Items]    
Marketable Securities 6,235,598 6,135,914
Fair Value, Inputs, Level 2 [Member]    
Platform Operator, Crypto Asset [Line Items]    
Marketable Securities 500,871 591,764
Fair Value, Inputs, Level 3 [Member]    
Platform Operator, Crypto Asset [Line Items]    
Marketable Securities