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Net Income (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule Of Computation Of Basic And Diluted Net Income Per Share
The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands, except per share amounts):  
 
Year Ended December 31,
 
2012
 
2013
 
2014
Basic:
 

 
 

 
 

Numerator:
 

 
 

 
 

Net income (loss) allocated to common stock
$
7,082

 
$
1,723

 
$
(16,205
)
Denominator:
 
 
 
 
 
Net weighted average number of common stock shares outstanding
19,867

 
19,145

 
18,367

Net income (loss) per share—basic:
$
0.36

 
$
0.09

 
$
(0.88
)
Diluted:
 

 
 

 
 

Numerator:
 

 
 

 
 

Net income (loss) allocated to common stock
$
7,082

 
$
1,723

 
$
(16,205
)
Denominator:
 

 
 

 
 

Net weighted average number of common stock shares outstanding
19,867

 
19,145

 
18,367

Weighted average number of options
774

 
548

 

Weighted average number of restricted stock units
112

 
153

 

Total common stock shares used in per share calculation
20,753

 
19,846

 
18,367

Net income (loss) per share—diluted:
$
0.34

 
$
0.09

 
$
(0.88
)
Schedule Of Anti-dilutive Shares Excluded From Computation Of Net Income Per Share
The number of outstanding weighted average anti-dilutive shares that were excluded from the computation of diluted net income (loss) per share consisted of the following (in thousands): 
 
Year Ended December 31,
 
2012
 
2013
 
2014
Common stock options
1,276

 
92

 
1,815

Restricted stock units
4

 
6

 
728

Total
1,280

 
98

 
2,543