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Note 9 - Inventory (Tables)
9 Months Ended
Oct. 02, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
October 2
,
 
 
December 31,
 
 
 
201
6
 
 
201
5
 
 
 
(Unaudited)
 
 
 
 
 
Raw materials
  $ 8,441     $ 12,388  
Work in process
    9,039       10,366  
Finished goods
    2,451       3,167  
Reserve for excess and obsolete inventory
    (4,765
)
    (5,729
)
    $ 15,166     $ 20,192