Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Additional Information (Details)

v3.19.1
Property and Equipment, Net - Additional Information (Details)
$ in Thousands
12 Months Ended
Apr. 17, 2013
USD ($)
Dec. 29, 2018
USD ($)
Dec. 30, 2017
USD ($)
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense   $ 5,802 $ 6,397
Property and equipment, gross carrying value   50,837 48,041
Property and equipment, accumulated depreciation   (35,653) (32,956)
Property and equipment, net   15,184 15,085
Philippines      
Property, Plant and Equipment [Line Items]      
Property and equipment, net   $ 129 269
Facility subject to capital lease      
Property, Plant and Equipment [Line Items]      
Excess of net proceeds over the net carrying value of capital leased asset under sale and leaseback $ 376    
Estimated useful life of property and equipment 20 years 20 years  
Property and equipment, gross carrying value   $ 11,306 11,306
Property and equipment, accumulated depreciation   (3,969) (3,121)
Property and equipment, net   7,337 8,185
LaSalle, Illinois Facility      
Property, Plant and Equipment [Line Items]      
Amortization expense related to capital leased asset   $ 475 $ 475
Period of lease under sale and lease back transaction 20 years    
Initial base annual rent for first year $ 853    
Percentage of annual increase in base rent 1.50%    
Increased percentage in base rent with change in consumer price index 1.25    
LaSalle, Illinois Facility | Whitney Automotive Group (WAG)      
Property, Plant and Equipment [Line Items]      
Gross proceeds from sale of La Salle, Illinois facility $ 9,750    
Net proceeds from sale of La Salle, Illinois facility $ 9,507