Three months ended June 30,

Six months ended June 30,

2017

2016

2017

2016

Numerator—basic and diluted:

Net income

$

8,338

$

7,492

$

14,270

$

10,013

Denominator:

Weighted-average common shares - basic common stock

20,622,320

19,972,395

20,556,293

19,900,032

Weighted-average common shares - diluted common stock

21,848,359

20,997,429

21,731,592

20,931,802

Net income per share - basic common stock

$

0.40

$

0.38

$

0.69

$

0.50

Net income per share - diluted common stock

$

0.38

$

0.36

$

0.66

$

0.48

Denominator calculation from basic to diluted:

Weighted-average common shares - basic common stock

20,622,320

19,972,395

20,556,293

19,900,032

Stock options and other dilutive awards

1,226,039

1,025,034

1,175,299

1,031,770

Weighted-average common shares - diluted common stock

21,848,359

20,997,429

21,731,592

20,931,802

Shares excluded from diluted weighted-average shares:

Stock options

64,498

1,322,551

69,498

1,381,834

Restricted stock units

—

—

5,700

—

Shares excluded from diluted weighted-average shares

64,498

1,322,551

75,198

1,381,834