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Note 8 - Inventory (Tables)
6 Months Ended
Jul. 04, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

July 4,

   

December 31,

 
   

2021

   

2020

 
    (Unaudited)          

Raw materials

  $ 17,895     $ 11,118  

Work in process

    6,006       6,210  

Finished goods

    1,142       762  

Reserve for excess and obsolete inventory

    (1,726 )     (1,854 )

Total

  $ 23,317     $ 16,236