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Income (Loss) per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2020
Mar. 28, 2020
Jun. 29, 2019
Mar. 30, 2019
Jun. 27, 2020
Jun. 29, 2019
Earnings Per Share [Abstract]            
Antidilutive securities excluded from diluted shares calculation (in shares)           100
Net income (loss) $ 6,695 $ (787) $ 6,301 $ (6,719) $ 5,908 $ (418)
Weighted-average shares outstanding - basic (in shares) 9,395   9,351   9,381 9,344
Dilutive effect of share-based awards (in shares) 7   8   2 0
Weighted-average shares outstanding - diluted (in shares) 9,402   9,359   9,383 9,344
Basic income (loss) (in dollars per share) $ 0.71   $ 0.67   $ 0.63 $ (0.04)
Diluted income (loss) (in dollars per share) $ 0.71   $ 0.67   $ 0.63 $ (0.04)