Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Additional Information (Details)

v3.20.1
Property and Equipment, Net - Additional Information (Details)
$ in Thousands
12 Months Ended
Apr. 17, 2013
USD ($)
Dec. 28, 2019
USD ($)
Dec. 29, 2018
USD ($)
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense   $ 6,252 $ 5,802
Amortization of finance lease assets   1,007  
Property and equipment, gross carrying value   46,294 50,837
Property and equipment, accumulated depreciation   36,644 35,653
Property and equipment, net   9,650 15,184
Philippines      
Property, Plant and Equipment [Line Items]      
Property and equipment, net   88 129
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    
Property and equipment, gross carrying value   100 11,306
Property and equipment, accumulated depreciation     3,969
Property and equipment, net     7,337
Finance Leased Assets      
Property, Plant and Equipment [Line Items]      
Property and equipment, accumulated depreciation   100  
Property and equipment, net   0  
LaSalle, Illinois Facility      
Property, Plant and Equipment [Line Items]      
Amortization expense related to capital leased asset     $ 475
Amortization of finance lease assets   $ 8  
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