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Note 8 - Inventory (Tables)
9 Months Ended
Oct. 03, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

October 3,

   

December 31,

 
   

2021

   

2020

 
   

(Unaudited)

         

Raw materials

  $ 22,116     $ 11,118  

Work in process

    5,994       6,210  

Finished goods

    1,120       762  

Reserve for excess and obsolete inventory

    (1,792

)

    (1,854

)

Total

  $ 27,438     $ 16,236