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Note 7 - Accrued Expenses (Tables)
12 Months Ended
Jan. 03, 2015
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block]
   

2014

   

2013

 
                 

Accrued wages, bonuses and related expenses

  $ 11,858     $ 9,745  

Sales tax payable

    7,694       5,979  

Accrued rent and related expenses

    3,365       429  

Current income taxes payable

    1,141       227  
    $ 24,058     $ 16,380