v3.8.0.1
Net (Loss) Income per Share Attributable to Common Stockholders - Net (Loss) Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 30, 2017
Sep. 24, 2016
Numerator:        
Net (loss) income attributable to common stockholders, basic $ (418) $ (4,010) $ 704 $ (674)
Net (loss) income attributable to common stockholders, diluted $ (418) $ 0 $ 712 $ 0
Denominator:        
Weighted average number of shares outstanding, basic 29,825 28,769 29,510 31,045
Dilutive impact from:        
Weighted average number of shares outstanding, diluted 32,521 28,769 32,085 31,045
Net (loss) income per share attributable to common stockholders (Basic):        
Loss from continuing operations attributable to common stockholders, basic (in dollars per share) $ (0.01) $ (0.14) $ 0.02 $ (0.27)
Income from discontinued operations attributable to common stockholders, basic (in dollars per share) 0.00 0.00 0.00 0.25
Net income (loss) per share, basic (in dollars per share) (0.01) (0.14) 0.02 (0.02)
Net (loss) income per share attributable to common stockholders (Diluted):        
(Loss) income from continuing operations attributable to common stockholders (0.01) (0.14) 0.02 (0.27)
Income from discontinued operations attributable to common stockholders 0.00 0.00 0.00 0.25
Net income (loss) per share, diluted (in dollars per share) $ (0.01) $ (0.14) $ 0.02 $ (0.02)
Employee Stock Option        
Dilutive impact from:        
Share-based payment arrangements 1,962 0 1,869 0
Restricted stock units        
Dilutive impact from:        
Share-based payment arrangements 734 0 706 0