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Net Income (Loss) Per Share
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
NET INCOME (LOSS) PER SHARE
NET INCOME (LOSS) PER SHARE
Basic net income (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share reflects the potential dilution that would occur if securities or other contracts to issue common stock were exercised or converted into common stock.
For the three months ended March 31, 2016 and 2015, 3,321,424 and 1,302,777 shares, respectively, of common stock equivalents related to equity-based awards were not included in the diluted per share calculation as the shares would be antidilutive.
The 3.25% Convertible Senior Notes ("Convertible Notes") were not included in the computation of diluted net income (loss) per share for the three months ended March 31, 2016 and 2015 because there is no excess value upon conversion over the principal amount of the Convertible Notes.
 
Three months ended March 31,
In thousands except per share amounts
2016
 
2015
Net income (loss) available to common stockholders
$
(20,396
)
 
$
(33,287
)
Weighted average shares:
 
 
 
Basic
150,249

 
102,580

Effect of stock-based compensation plans
—

 
—

Diluted
150,249

 
102,580

Income (loss) per share:
 
 
 
Basic
$
(0.14
)
 
$
(0.32
)
Diluted
$
(0.14
)
 
$
(0.32
)