Net Income Per Share

6 Months Ended

Mar. 31, 2021

15.	NET INCOME PER SHARE:

The following table presents shares used in the calculation of basic and diluted net income per share:

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2020		2021		2020		2021
Weighted average common shares outstanding used in calculating basic income per share		21,520,215		22,143,043		21,486,995		22,083,827
Effect of dilutive options and non-vested restricted stock awards		440,070		843,018		438,110		781,123
Weighted average common and common equivalent shares used in calculating diluted income per share		21,960,285		22,986,061		21,925,105		22,864,950

For the three months ended March 31, 2020 and 2021, there were 21,333 and no weighted average shares of options outstanding, respectively, that were not included in the computation of diluted income per share because the options’ exercise prices were greater than the average market price of our common stock, and therefore, their effect would be anti-dilutive. For the six months ended March 31, 2020 and 2021, there were 21,333 and 104 weighted average shares of options outstanding, respectively, that were not included in the computation of diluted income per share because the options’ exercise prices

were greater than the average market price of our common stock, and therefore, their effect would be anti-dilutive.