v3.10.0.1
Net Income (Loss) per Share Attributable to Common Stockholders (Tables)
9 Months Ended
Sep. 29, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The calculations of basic and diluted net income (loss) per share and basic and dilutive weighted-average shares outstanding for the three and nine months ended September 29, 2018 and September 30, 2017 were as follows (in thousands, except per share data):
 
Three Months Ended
 
Nine Months Ended
 
September 29, 2018
 
September 30, 2017
 
September 29, 2018
 
September 30, 2017
Numerator:
 
 
 
 
 
 
 
Basic:
 
 
 
 
 
 
 
Net income (loss) attributable to common stockholders
$
979

 
$
(418
)
 
$
1,996

 
$
704

Dilutive:
 
 
 
 
 
 
 
Net income (loss) attributable to common stockholders
$
979

 
$
(418
)
 
$
1,996

 
$
704

Plus: undistributed earnings allocated to participating securities
873

 

 
2,384

 
2,055

Less: undistributed earnings reallocated to participating securities
(863
)
 

 
(2,362
)
 
(2,047
)
Net income (loss) attributable to common stockholders
$
989

 
$
(418
)
 
$
2,018

 
$
712

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted-average shares outstanding - basic
31,356

 
29,825

 
30,980

 
29,510

 
 
 
 
 
 
 
 
Dilutive impact from:
 
 
 
 
 
 
 
Options outstanding
1,899

 
1,962

 
1,944

 
1,869

Restricted stock units
625

 
734

 
709

 
706

Weighted-average shares outstanding - dilutive
33,880

 
32,521

 
33,633

 
32,085

 
 
 
 
 
 
 
 
Net income (loss) per share attributable to common stockholders (Basic):
$
0.03

 
$
(0.01
)
 
$
0.06

 
$
0.02

Net income (loss) per share attributable to common stockholders (Diluted):
$
0.03

 
$
(0.01
)
 
$
0.06

 
$
0.02

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following equity shares were excluded from the calculation of diluted net income per share attributable to common stockholders because their effect would have been antidilutive for the periods presented (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 29,
2018
 
September 30,
2017
 
September 29,
2018
 
September 30,
2017
Stock options
568

 
1,385

 
843

 
1,334

Restricted stock units
1,048

 
184

 
808

 
108

Series A Redeemable Convertible Preferred Stock (as converted to common stock)
4,983

 
4,724

 
4,983

 
4,724

The Series A Preferred Stock is considered antidilutive due to the fact that the two-class method was more dilutive when calculating dilutive net income per share attributable to common stockholders.