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Note 6 - Other Expense (Income), Net (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 29, 2013
Sep. 29, 2012
Sep. 30, 2012
Other Income and Expenses [Abstract]          
Gain (Loss) on Disposition of Assets $ (37,000)   $ 1,645,000 $ 2,625,000  
Foreign Currency Transaction Gain (Loss), Realized $ (69,000) $ (606,000) $ (455,000)   $ (850,000)