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Earnings Per Share
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings (Loss) Per Share
Basic earnings (loss) per common share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (loss) per common share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding combined with dilutive common share equivalents outstanding, if the effect is dilutive.
Potentially dilutive securities were excluded from the calculation of diluted earning (loss) per share for the three months ended March 31, 2015, since including them would have an anti-dilutive effect on earnings (loss) per share due to the net loss incurred during the period. Securities convertible into shares of common stock that were not considered in the diluted earnings (loss) per share calculation were 1.5 million stock options and 0.4 million restricted stock units.
Basic and diluted earnings per common share are as follows (in thousands, except per share data):
 
 
Three months ended March 31,
 
 
2015
 
2014
Net income (loss) - Basic and Diluted
 
$
(1,515
)
 
$
12,018

 
 
 
 
 
Weighted average common shares outstanding - Basic
 
54,448

 
53,948

Assumed conversions:
 
 
 
 
Incremental common shares from stock warrants
 
—

 
486

Incremental common shares from stock options
 
—

 
949

Incremental common shares from restricted stock units
 
—

 
15

Weighted average common shares outstanding - Diluted
 
54,448

 
55,398

 
 
 
 
 
Basic earnings (loss) per common share
 
$
(0.03
)
 
$
0.22

Diluted earnings (loss) per common share
 
$
(0.03
)
 
$
0.22