Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Summary of Property and Equipment (Details)

v3.19.1
Property and Equipment, Net - Summary of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 29, 2018
Dec. 30, 2017
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 50,837 $ 48,041
Less accumulated depreciation and amortization (35,653) (32,956)
Property and equipment, net 15,184 15,085
Land    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 630 630
Building    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 8,877 8,877
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 12,683 12,281
Computer software (purchased and developed) and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 23,596 22,389
Vehicles    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 121 85
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 996 1,033
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 723 664
Construction in process    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,211 $ 2,082