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Note 4 - Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2023

  

2022

 

Raw materials

 $30,459  $27,644 

Work-in-process

  15,082   13,843 

Finished goods

  5,250   4,916 
   50,791   46,403 

Less: Reserve for excess and obsolete inventory

  (2,236)  (2,141)

Net inventories

 $48,555  $44,262