Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Derivative Financial Instruments (Details Textual)

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Note 11 - Derivative Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2018
Apr. 02, 2017
Dec. 31, 2017
Unrealized Gain (Loss) on Derivatives $ 319 $ 1,272  
Gain (Loss) on Sale of Derivatives 48 (465)  
Derivative Asset, Current 0   $ 37
Derivative Liability, Current 19   $ 375
Foreign Currency Transaction Gain (Loss), before Tax, Total $ (113) $ 90