Earnings Per Share - The computation of basic and diluted earnings per share (Details) - USD ($)	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share	$ 2,542,573	$ 1,120,642
Denominator for basic earnings per share - weighted average	15,586,404	15,428,411
Effects of dilutive securities:
Stock options for employees, directors and outside consultants	37,081	243,842
Denominator for diluted earnings per share	15,623,485	15,672,253
Basic Earnings Per Share – Weighted Average	$ 0.16	$ 0.07
Diluted Earnings Per Share – Weighted Average	$ 0.16	$ 0.07