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Note 4 - Inventories
6 Months Ended
Jul. 01, 2018
Notes to Financial Statements  
Inventory Disclosure [Text Block]
4.
     
INVENTORIES
 
Inventories are stated at the lower of cost or market, net of obsolescence reserves, with cost determined under the
first
-in,
first
-out (FIFO) method. The composition of inventories, net was:
 
   
July
1
,
   
December 31,
 
   
2018
   
2017
 
Raw Materials
  $
13,739
    $
14,606
 
Work In Process
   
2,337
     
2,013
 
Finished Goods
   
8,785
     
9,707
 
Total
  $
24,861
    $
26,326