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Net Income Per Share
 6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Net Income Per Share
Net Income (Loss) Per Share

Basic net income (loss) per share is computed by dividing the net income (loss) for the period by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share is computed by dividing the net income (loss) for the period by the weighted average number of shares of common stock and potentially dilutive common stock outstanding during the period. Potentially dilutive common shares include common shares issuable upon exercise of stock options, vesting of restricted stock awards, and issuances of shares under the Employee Stock Purchase Plan (the "ESPP"), which are reflected in diluted net income per share by application of the treasury stock method. Potentially dilutive common shares are excluded from the computation of diluted net income (loss) per share when their effect is anti-dilutive.
Net income (loss) per share for the three and six months ended June 30, 2019 and July 1, 2018 are as follows:
 
Three Months Ended
 
Six Months Ended
 
June 30,
2019
 
July 1,
2018
 
June 30,
2019
 
July 1,
2018
 
(In thousands, except per share data)
Numerator:
 
 
 
 
 
 
 
Net income from continuing operations
$
839

 
$
533

 
$
13,682

 
$
1,551

Net loss from discontinued operations
—

 
(5,763
)
 
—

 
(1,191
)
Net income (loss)
$
839

 
$
(5,230
)
 
$
13,682

 
$
360

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted average common shares - basic
31,246

 
31,674

 
31,365

 
31,550

Potentially dilutive common share equivalent
866

 
1,068

 
1,153

 
1,172

Weighted average common shares - dilutive
32,112

 
32,742

 
32,518

 
32,722

 
 
 
 
 
 
 
 
Basic net income (loss) per share
 
 
 
 
 
 
 
Net income from continuing operations
$
0.03

 
$
0.02

 
$
0.44

 
$
0.05

Net loss from discontinued operations
—

 
(0.19
)
 
—

 
(0.04
)
Net income (loss)
$
0.03

 
$
(0.17
)
 
$
0.44

 
$
0.01

 
 
 
 
 
 
 
 
Diluted net income (loss) per share
 
 
 
 
 
 
 
Net income from continuing operations
$
0.03

 
$
0.02

 
$
0.42

 
$
0.05

Net loss from discontinued operations
—

 
(0.18
)
 
—

 
(0.04
)
Net income (loss)
$
0.03

 
$
(0.16
)
 
$
0.42

 
$
0.01

 
 
 
 
 
 
 
 
Anti-dilutive employee stock-based awards, excluded
1,208

 
1,014

 
692

 
892