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Schedule II - Valuation and Qualifying Accounts and Reserves (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Summary of Valuation Allowance [Table Text Block]
Column A
 
Column B
 
 
Column C
 
 
Column D
 
 
Column E
 
Description
  
Balance at
Beginning
of Period
    
Charged to
Costs and
Expenses
    
Deduction
    
Balance at
End of
Period
  
                                 
Fiscal Year Ended
December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                                 
Allowance for doubtful
accounts on trade receivables
   $
1,432
      
650
      
(680
)
   $
1,402
  
                                 
Provision for contingencies for
legal matters
   $
214
      
455
      
(214
)
   $
455
  
                                 
Fiscal Year Ended
January 2, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                                 
Allowance for doubtful
accounts on trade receivables
   $
1,011
      
629
      
(208
)
   $
1,432
  
                                 
Provision for contingencies for
legal matters
   $
0
      
214
      
0
     $
214