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Earnings Per Share - The denominator for the calculation of diluted earnings per share (Details) - USD ($)	12 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Earnings Per Share - Denominator For Calculation Of Diluted Earnings Per Share
Numerator for basic and diluted earnings per share	$ 161,587	$ 368,207
Denominator for basic earnings per share - weighted average	15,107,778	14,968,450
Effects of dilutive securities:
Stock options for employees, directors and outside consultants	111,135	126,673
Denominator for diluted earnings per share	15,218,913	15,095,123
Basic Earnings Per Share - Weighted Average	$ 0.01	$ 0.02
Diluted Earnings Per Share - Weighted Average	$ 0.01	$ 0.02

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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