Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Description of Company (Details)

v3.20.2
Basis of Presentation and Description of Company (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Jun. 27, 2020
Mar. 28, 2020
Sep. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Sep. 26, 2020
Sep. 28, 2019
Basis of Presentation and Description of Company                
Net income (loss) $ 1,385 $ 1,568 $ (978) $ (1,424) $ (1,457) $ (3,581) $ 1,975 $ (6,461)