Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Details)

v3.20.1
Property and Equipment - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Property Plant And Equipment [Abstract]    
Depreciation expense $ 99 $ 268
Sale of property and equipment   54
Gain on sale of property   $ 5