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Note 8 - Intangible Assets (Tables)
12 Months Ended
Jan. 02, 2016
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
 
Engineering
   
Information
Technology
   
Total
 
Balance as of December 28, 2013
  $ 179     $ 37     $ 216  
                         
Amortization of intangibles during the
fifty-three week period ended
January 3, 2015
    58       32       90  
                         
Intangibles acquired, PCI acquisition
    68       -       68  
                         
Balance as of January 3, 2015
  $ 189     $ 5     $ 194  
                         
Amortization of intangibles during the
fifty-two week period ended
January 2, 2016
    (77
)
    (5
)
    (82
)
                         
Intangibles acquired, SDS acquisition
    140       -       140  
                         
Balance as of January 2, 2016
  $ 252     $ -     $ 252  
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
   
January 2,
2016
   
January 3,
2015
 
Restricted covenants
  $ 53     $ 44  
                 
Customer relationships
    199       150  
                 
Total Intangible Assets
  $ 252     $ 194  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Fiscal Year
 
Total
 
2016
  $ 83  
2017
    67  
2018
    52  
2019 and thereafter
    50  
         
Total
  $ 252