Schedule of Computation of basic and diluted earnings per share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share	$ 340,685	$ 541,273	$ 671,522	$ 594,679
Denominator for basic earnings per share – weighted average	15,750,910	15,743,069	15,750,895	15,742,571
Effects of dilutive securities
Stock options for employees, directors and outside consultants	17,341	30,596	20,577	32,461
Denominator for diluted earnings per share	15,768,251	15,773,665	15,771,472	15,775,032
Basic Earnings Per Share	$ 0.02	$ 0.03	$ 0.04	$ 0.04
Diluted Earnings Per Share	$ 0.02	$ 0.03	$ 0.04	$ 0.04