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Schedule of Computation of basic and diluted earnings per share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share	$ 274,178	$ 690,169	$ 945,700	$ 1,284,848
Denominator for basic earnings per share – weighted average	15,751,153	15,744,543	15,750,980	15,743,224
Effects of dilutive securities
Stock options for employees and directors	20,358	32,429	20,059	32,451
Denominator for diluted earnings per share	15,771,511	15,776,972	15,771,039	15,775,675
Basic earnings per share	$ 0.02	$ 0.04	$ 0.06	$ 0.08
Diluted earnings per share	$ 0.02	$ 0.04	$ 0.06	$ 0.08

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