Three months ended June 30,

Six months ended June 30,

2019

2018

2019

2018

Numerator:

Net income

$

21,383

$

14,133

$

42,133

$

26,355

Denominator:

Weighted average shares of common stock outstanding

11,861

12,037

11,870

12,032

Effect of dilutive common stock equivalents

357

137

359

97

Weighted average shares of common stock outstanding

12,218

12,174

12,229

12,129

Earnings per share - basic

$

1.80

$

1.17

$

3.55

$

2.19

Earnings per share - diluted

$

1.75

$

1.16

$

3.45

$

2.17