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Earnings Per Share - The denominator for the calculation of diluted earnings per share (Details) - USD ($)	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Earnings Per Share - Denominator For Calculation Of Diluted Earnings Per Share
Numerator for basic and diluted earnings per share	$ 1,107,442	$ 161,587
Denominator for basic earnings per share - weighted average	15,302,367	15,107,778
Effects of dilutive securities:
Stock options for employees, directors and outside consultants	56,721	111,135
Denominator for diluted earnings per share	15,359,088	15,218,913
Basic Earnings Per Share - Weighted Average	$ 0.07	$ 0.01
Diluted Earnings Per Share - Weighted Average	$ 0.07	$ 0.01

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