Three months ended
September 30,

Six months ended
September 30,

2013

2012

2013

2012

Numerator for earnings per share – net income

$

4,316,552

$

5,150,138

$

10,017,045

$

10,557,594

Denominator:

Denominator for basic earnings per share – weighted average shares

12,092,246

11,963,596

12,078,703

11,956,362

Effect of dilutive securities:

Stock options and other share awards

222,995

218,469

194,879

232,939

Denominator for diluted earnings per share

12,315,241

12,182,065

12,273,582

12,189,301

Earnings per share:

Basic

$

0.36

$

0.43

$

0.83

$

0.88

Diluted

$

0.35

$

0.42

$

0.82

$

0.87