Quarterly report pursuant to Section 13 or 15(d)

Loss per Share - Additional Information (Details)

v3.20.2
Loss per Share - Additional Information (Details) - shares
6 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Earnings Per Share [Abstract]    
Potentially dilutive shares excluded from earnings per share calculation 111,763 134,363