Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Share (Computation of Basic and Diluted Earnings Per Share)(Details)

v3.10.0.1
Net Income Per Share (Computation of Basic and Diluted Earnings Per Share)(Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2018
Jun. 25, 2017
Jul. 01, 2018
Jun. 25, 2017
BASIC        
Net income $ 6,456 $ 5,329 $ 9,639 $ 9,879
Weighted-average common shares outstanding 16,936,807 16,899,249 16,936,815 16,877,262
Basic net income per common share $ 0.38 $ 0.32 $ 0.57 $ 0.59
DILUTED        
Net income $ 6,456 $ 5,329 $ 9,639 $ 9,879
Weighted-average common shares outstanding 16,936,807 16,899,249 16,936,815 16,877,262
Dilutive effect of stock options and restricted stock units 135,372 116,757 130,900 129,583
Weighted-average of diluted shares 17,072,179 17,016,006 17,067,715 17,006,845
Diluted net income per common share $ 0.38 $ 0.31 $ 0.56 $ 0.58