For the Year Ended December 31,

2015

2014

2013

Net income (loss)

$

$

$

Preferred stock dividends

Income (loss) available to common stockholders

$

$

$

Weighted average shares outstanding

Dilutive impact of restricted stock

—

—

Weighted average shares outstanding for diluted income (loss) per share (a)

Basic income (loss) per share

$

$

$

Diluted income (loss) per share

$

$

$

The following were excluded from the diluted earnings per share calculation because their effect would be anti-dilutive:

Stock options

Restricted stock

(a)

Because the Company reported a loss available to common stockholders for the years ended December 31, 2015 and 2013, no unvested stock awards were included in computing loss per share because the effect was anti-dilutive.