Quarterly report pursuant to Section 13 or 15(d)

Loss per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details)

v3.20.2
Loss per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Earnings Per Share [Abstract]        
Net loss $ (810) $ (1,958) $ (5,535) $ (5,357)
Basic loss per share $ (0.43) $ (1.14) $ (2.98) $ (3.14)
Diluted loss per share $ (0.43) $ (1.14) $ (2.98) $ (3.14)