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Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jan. 01, 2017
Notes Tables  
Schedule of Goodwill [Table Text Block]
BALANCE
JANUARY 3,
2016 
    
ACQUISITIONS
    
IMPAIRMENT
    
FOREIGN CURRENCY TRANSLATION
    
BALANCE
JANUARY 1,
2017
 
(in thousands)
 
$ 63,890     $
0
     $
0
     $
(2,672
 )   $
61,218