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Earnings per share
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Earnings per share
Earnings per share

The following table sets forth the components of diluted earnings per share (in thousands, except share and per share amounts):

 
Three months ended March 31, 2014
 
Three months ended March 31, 2013
Numerator
 
 
 
Net income (loss)
$
6,828

 
$
(840
)
 
 
 
 
Denominator
 
 
 
Weighted average common stock outstanding – basic
2,367,202

 
2,343,213

Stock options using treasury method
273,778

 
—

Restricted stock
183,988

 
—

Preferred shares if converted
31,111

 
—

Weighted average common stock outstanding – diluted
2,856,079

 
2,343,213

 
 
 
 
Earnings (loss) per basic share
$
2.88

 
$
(0.36
)
Earnings (loss) per diluted share
$
2.39

 
$
(0.36
)

Because we incurred a net loss attributable to common stockholders for the three months ended March 31, 2013, basic and diluted earnings per share are equivalent for the period. For the three months ended March 31, 2013, there were 305,824 stock options and 204,512 units of restricted stock excluded from the calculation of diluted earnings per share because inclusion would have been anti-dilutive.