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Basic And Diluted Net Income Per Share (Tables)
 12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following sets forth the computation of basic and diluted net income (loss) per share:
 
Years Ended December 31,
In thousands, except per share amounts
2016
 
2015
 
2014
Numerator:
 
 
 
 
 
Net income (loss)
$
11,237

 
$
(15,128
)
 
$
(19,111
)
Denominator:
 
 
 
 
 
Basic weighted-average shares outstanding
27,012

 
27,429

 
28,437

Effect of dilutive employee stock options and restricted stock units
321

 
—

 
—

Diluted weighted-average shares outstanding
27,333

 
27,429

 
28,437

Net income (loss) per share—basic
$
0.42

 
$
(0.55
)
 
$
(0.67
)
Net Income (loss) per share—diluted
$
0.41

 
$
(0.55
)
 
$
(0.67
)