Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
Property and Equipment, Net - Summary of Property and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 52,266 $ 53,161
Less accumulated depreciation and amortization (35,788) (34,730)
Property and equipment, net 16,478 18,431
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 12,368 12,334
Computer software (purchased and developed)    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 26,717 27,083
Vehicles    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 98 136
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,007 1,474
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,030 1,039
Construction in process    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,539 $ 1,588