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Note 8 - Other (Income) Expense, Net (Details) (Other Nonoperating Income (Expense) [Member], USD $)
3 Months Ended 9 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Other Nonoperating Income (Expense) [Member]
       
Note 8 - Other (Income) Expense, Net (Details) [Line Items]        
Gain (Loss) on Disposition of Assets   $ (37,000) $ 714,000 $ 1,645,000
Foreign Currency Transaction Gain (Loss), Realized $ (314,000) $ (69,000) $ (219,000) $ (455,000)