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Earnings Per Share
 12 Months Ended
Jan. 02, 2018
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic earnings per share (“EPS”) is calculated by dividing net income (loss) available to common shareholders by the weighted-average number of shares of common stock outstanding during each period. Diluted EPS is calculated using net income (loss) available to common stockholders divided by diluted weighted-average shares of common stock outstanding during each period. Potentially dilutive securities include shares of common stock underlying stock options and restricted common stock. Diluted EPS considers the impact of potentially dilutive securities except in periods in which there is a loss because the inclusion of the potential common shares would have an anti-dilutive effect.
The following table sets forth the computations of basic and diluted EPS (in thousands, except share and per share data):
 
 
2017
 
2016
 
2015
Net loss attributable to common stockholders
 
$
(45,449
)
 
$
(71,677
)
 
$
(13,765
)
Shares:
 
 
 
 
 
 
Basic weighted average shares outstanding
 
37,759,497

 
27,808,708

 
28,938,901

Effect of dilutive securities
 
—

 
—

 
—

Diluted weighted average number of shares outstanding
 
37,759,497

 
27,808,708

 
28,938,901

Loss per share:
 
 
 
 
 
 
Basic loss earnings per share
 
$
(1.20
)
 
$
(2.58
)
 
$
(0.48
)
Diluted loss earnings per share
 
$
(1.20
)
 
$
(2.58
)
 
$
(0.48
)

The Company computes the effect of dilutive securities using the treasury stock method and average market prices during the period. Potential common shares are excluded from the computation of diluted earnings (loss) per share when the effect would be anti-dilutive. All potential common shares are anti-dilutive in periods of net loss. The number of shares issuable on the exercise of share based awards and common stock warrants excluded from the calculation of diluted earnings (loss) per share because the effect of their inclusion would have been anti-dilutive totaled 4,154,778, 2,697,697 and 3,184,949 for 2017, 2016 and 2015, respectively.