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Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended
Apr. 02, 2016
Apr. 04, 2015
Jan. 02, 2016
Jan. 03, 2015
Income Taxes [Line Items]        
Provision for income taxes $ 26,000 $ 33,000    
Net operating loss (6,316,000) (2,939,000)    
Singapore        
Income Taxes [Line Items]        
Net operating loss 0      
United States        
Income Taxes [Line Items]        
Net operating loss   $ 0    
Inland Revenue, Singapore (IRAS)        
Income Taxes [Line Items]        
Deposit for contested taxes and related interest 1,400,000   $ 1,400,000  
Liability for uncertain tax positions $ 262,000   262,000  
Inland Revenue, Singapore (IRAS) | Tax Year 2009        
Income Taxes [Line Items]        
Deposit for contested taxes and related interest       $ 318,000
Inland Revenue, Singapore (IRAS) | Tax Year 2010        
Income Taxes [Line Items]        
Deposit for contested taxes and related interest     $ 1,100,000