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Note 9 - Inventory (Details) - Summary of Inventory (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2014
Dec. 31, 2013
Summary of Inventory [Abstract]    
Raw materials $ 20,542 $ 19,372
Work in process 17,382 16,436
Finished goods 5,104 5,017
Reserve for excess and obsolete inventory (6,463) (6,403)
$ 36,565 $ 34,422