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Schedule of computation of basic and diluted earnings per share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2025	Aug. 31, 2024
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share	$ 423,693	$ 340,685	$ 908,678	$ 671,522
Denominator for basic earnings per share – weighted average	15,721,162	15,750,910	15,727,844	15,750,895
Effects of dilutive securities
Stock options for employees, directors and outside consultants	10,409	17,341	12,540	20,577
Denominator for diluted earnings per share	15,731,571	15,768,251	15,740,384	15,771,472
Basic Earnings Per Share	$ 0.03	$ 0.02	$ 0.06	$ 0.04
Diluted Earnings Per Share	$ 0.03	$ 0.02	$ 0.06	$ 0.04

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