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Note 8 - Inventory (Tables)
3 Months Ended
Apr. 05, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
April 5,
   
December 31,
 
 
 
2020
   
2019
 
 
 
(Unaudited)
 
 
 
 
 
Raw materials
  $
14,639
    $
15,139
 
Work in process
   
5,332
     
5,889
 
Finished goods
   
1,550
     
1,675
 
Reserve for excess and obsolete inventory
   
(2,120
)    
(1,919
)
Total
  $
19,401
    $
20,784